dried flowers in betrayal trauma therapist's Seattle office


Online individual therapy for post-infidelity stress disorder in Seattle and all of Washington.

Individual Therapy for Partner Betrayal Trauma in Seattle

Partner Betrayal Trauma Therapy for Infidelity and Affairs in Seattle

Online individual therapy using Accelerated Resolution Therapy (ART)

You keep rewriting the history of your marriage in your head, trying to figure out where the lie started. The weekend in the San Juans where they seemed so present, was that before or after? The nights they said they were staying late at the office downtown, were they?

You go back through years of memories and you can’t tell which ones belong to the relationship you thought you had and which ones belong to the one that was actually happening. The worst part is what that does to your ability to trust yourself, because if you missed something this big while standing right next to it, what else are you wrong about?

That doubt has infected everything ordinary. Their phone lights up and your chest constricts. They’re fifteen minutes late getting home and your mind has already built three scenarios. The coffee shop in Capitol Hill where you used to spend Sunday mornings, the trail at Greenlake where you’d walk together after dinner, these places aren’t yours anymore.

Your brain won’t stop generating images of what happened, scenes you never witnessed but can’t stop seeing. They intrude while you’re working at Amazon or Meta, while you’re reviewing charts at UW Medicine, while you’re trying to fall asleep in your Queen Anne apartment.

Other times you go blank, checking out mid-conversation, realizing you’ve been staring at your screen for twenty minutes without reading a word.

You’ve become someone who tracks battery percentages and screen time and location pins, who cross-references what they said Tuesday with what they said Thursday, who checks their phone while they’re in the shower. You know it’s consuming you, and you can’t make yourself stop.

Meanwhile your body is falling apart on its own schedule: jaw clenched tight enough to crack a molar, stomach in knots, sleep that comes in fragments if it comes at all.

Underneath all of it is the recognition that you don’t know who you are right now. The person who used to make decisions confidently, who showed up for friends and performed well at work and slept through the night, that person feels very far away.

You’ve tried therapy, maybe with someone in Ballard or Fremont who helped you understand what happened, but understanding hasn’t stopped your body from reacting like it’s still happening.

Learn more about my approach to treating partner betrayal trauma here.

How Betrayal Trauma Changes After ART…


Betrayal by a partner causes damage that other traumas don’t.

Research from the University of Oregon shows that when the violation comes from someone you depended on, it disrupts your ability to trust your own perception of reality, your capacity for intimacy and connection, and your physical health, from sleep to digestion to the chronic tension you carry in your body.

Here’s what changes after our work together, once that damage starts to reverse:

  • You trust your own read of a situation. Your partner says they’re working late and you register it as information, weigh it, and move on. You make a decision about the marriage, the apartment, the finances, without needing to crowdsource certainty from everyone you know. The “am I crazy?” loop that betrayal trauma creates goes quiet, and your own instincts start working for you again.

  • You’re present with the people around you. You have dinner in Capitol Hill with a friend and you’re in the conversation instead of performing “fine.” You sit with your kids at Greenlake and your attention is on them, not on the mental movie of what your partner did. If you’re rebuilding the relationship, you can talk about what happened without one of you shutting down and the other escalating. If you’re leaving, you can hand the kids off at school drop-off without the rest of your morning being wrecked.

  • Your body calms down. You sleep through the night. The tension headaches ease. Your appetite normalizes. The grinding teeth, the racing heart when a text comes in, the nausea when you pass a certain restaurant: that’s your nervous system treating ordinary life as a threat, and it resolves when the underlying trauma does. Betrayal trauma research specifically links high-betrayal traumas to physical health problems at rates higher than other kinds of trauma.

  • You get your workday back. You sit through the standup at Amazon, the case review at UW Medicine, the client meeting at the downtown firm, and your concentration holds. The hours you were spending scrolling through their location history or re-reading old messages free up, and you use them to finish the project, prep for the presentation, or log off and get home for dinner.

  • You start building forward. You book the cabin on the Olympic Peninsula because you want to go. You register for the certification, start the renovation conversation, look at new apartments in Ballard. The future stops feeling like a threat and starts feeling like something you’re empowered to choose.

The facts of what happened don’t disappear. You’ll still remember the betrayal, and you may still have real decisions to make about the relationship, the custody arrangement, the finances, etc.

But you’ll make those decisions from clarity, with a nervous system that’s responding to present reality instead of replaying the worst moment of your life on a loop.



How Accelerated Resolution Therapy Treats Partner Betrayal Trauma in 1-5 Sessions

Here’s what makes ART different from other therapy for partner betrayal trauma:

  • Most clients see significant relief in a handful of sessions or a half-day intensive, rather than months or even years

  • You don’t have to describe the details

  • There’s no preparation or homework needed, and no drugs or hypnosis involved

  • Clients can feel something shifting within the first session, which is why 94% of people who start ART complete treatment, compared to about 60% for traditional talk therapy

  • Maybe the most important: ART provides healing from betrayal trauma at a level of completeness that talk therapy by itself can’t provide


Learn more about online partner betrayal trauma therapy by watching the video here…


ART is an investment in your freedom, mental health, and overall well-being.

Half-Day Intensive: $2,500

Up to 4 hours of focused treatment in a single session, plus follow-up check-ins at one week and 30 days. This is the format most betrayal trauma clients need. The extended time gives us room to work through everything without stopping mid-process.

For comparison: 6-12 months of weekly therapy runs $3,600–$12,000+, most of it spent processing the story of what happened rather than putting a stop to the nightmares, the anxiety, and the intrusive thoughts/images.

Not sure if ART is right for your situation?

Book a single session first ($500, 90 minutes). This isn’t a shortened version of treatment; it’s a chance to experience the process and make sure we’re a good fit before committing to the intensive. If you move forward, the $500 gets credited toward your intensive cost.

More information about fees & payment policies here.


Serving clients in Seattle via secure telehealth

Individual Therapy for Partner Betrayal Trauma in Seattle


I provide online betrayal trauma therapy to residents throughout Washington and in the Greater Seattle area, including:

Capitol Hill • Queen Anne • Ballard • Fremont • Wallingford • Green Lake • West Seattle • Magnolia • Madison Park • Columbia City • Beacon Hill • Georgetown • Ravenna • University District

Also serving the Eastside (Bellevue, Redmond, Kirkland, and more)

FAQs

Frequently asked questions

  • I specialize in all types of relationship betrayal (infidelity, affairs, emotional affairs, pornography addiction, etc).

    The common thread is that someone you trusted fundamentally violated that trust, leaving you with symptoms of betrayal trauma.

  • No. You don’t have to share any of the specifics. ART works with the images and sensations stored in your nervous system, not the verbal story. You can keep the details private and still process the trauma completely. Many clients find this privacy one of the most relieving aspects of ART.

    This is especially helpful for people who are processing a business betrayal or work trauma and they have signed an NDA.

  • That’s completely normal. ART helps your nervous system calm down so that you can think clearly about those types of decisions. Right now, trauma is making every decision feel urgent and next to impossible.

    After ART, you’ll still have the same choices to make, but you’ll be making them from a regulated place instead of from panic, rage, or numbness.

    Many clients say they couldn’t even think about the relationship question clearly until their nervous system settled.

  • Based on ART research for trauma generally, most issues resolve in 1-5 sessions, with a 94% treatment completion rate.

    While there isn’t specific published research on betrayal trauma and ART yet, complex trauma typically takes 4-5 sessions, while single-incident traumas often need just 1-2.

    We'll start with one session and assess from there. You’ll know after the first session if ART is working for you because most people feel noticeably different before they leave.

partner betrayal trauma therapist


About Allyson Clemmons, LICSW
Individual therapist for partner betrayal trauma in Seattle

My specialization in partner betrayal trauma emerged from years of working with couples after affairs and infidelity. While couples work was essential for the relationship to heal, I noticed betrayed partners also needed specialized individual therapy that wasn’t available. They would only find generic trauma treatment that kept them talking in circles for months, while their nervous systems remained hijacked by the betrayal.

I noticed that partner betrayal creates a specific type of trauma that requires targeted treatment. Whether it’s infidelity, family betrayal, or professional betrayal, the neurological impact is profound, and it doesn’t resolve through insight or understanding alone.

Now I exclusively use Accelerated Resolution Therapy to help people move from investigating and constant triggering to genuine peace in just 1-5 sessions. You don’t need to manage partner betrayal trauma indefinitely. You can actually resolve it.

Independently licensed in Washington State: #LW61398886
100% Online

Get in touch

Contact or Self-Schedule Below

If you already know you would like to get scheduled, please do so using the button below. No need to contact me first unless you want to.

The link will take you to my secure, HIPAA-compliant scheduling tool where you can choose a day and time and pay for your session to reserve it. Within 24 hours, you’ll receive an email invitation to complete your new client forms. Then we’ll meet on your scheduled day!



Have questions before scheduling?

Use this form to ask about whether ART is right for your situation, how the process works, or anything else you’d like to know. I typically respond within 24-48 business hours.

long-term relief from betrayal trauma

long-term relief from betrayal trauma —