Attachment Styles in Therapy: How They Show Up and What to Do
By Kristen McClure, MSW, LCSW | TherapistWorksheet.com
You learned attachment theory in grad school. Bowlby, Ainsworth, the Strange Situation. You can name the four styles. But somewhere between the textbook and your actual 3 PM client — the one who apologizes every time she cries, who texts between sessions and then says she doesn’t want to be “too much,” who lights up when you attune to her and collapses when you miss something — the theory gets complicated.
Because knowing the styles is one thing. Recognizing them in the room, in real time, and calibrating your response accordingly? That’s a different skill entirely.
This post is for that second part.
Why Attachment Shows Up in the Therapy Room
The therapeutic relationship is an attachment relationship. Whether you frame it that way or not, your clients are relating to you through the same attachment system they developed with their earliest caregivers.
Which means the patterns come with them: the way they seek proximity, tolerate closeness, manage distance, respond to rupture, and handle endings. All of it shows up in session — often before either of you can name it.
The good news: this makes the relationship itself clinical data. The way your client relates to you is a real-time window into how they relate to everyone.
The Four Styles: What They Actually Look Like With You
Anxious / Preoccupied
The behavioral fingerprint:
This client tracks you. Your tone, your word choices, whether you seemed distracted last week, whether you smiled differently today. They may bring back exact quotes from previous sessions. Reassurance-seeking loops are common — they ask for reassurance, get it, feel relief for a few minutes, and then the anxiety creeps back and they need it again.
Session endings can be hard. There’s often “one more thing” at the door. Between-session contact may be elevated — texts, emails, voice messages.
What actually helps:
Consistency over warmth. Being reliably, predictably the same is more regulating than being especially warm one week and neutral the next. Name the reassurance pattern gently — not as pathology, but as something to get curious about:
“I notice we keep coming back to this. I’m not going anywhere — and I’m also curious what the reassurance gives you for a minute, and what it doesn’t give you for long.”
Avoidant / Dismissing
The behavioral fingerprint:
This client presents well. Often high-functioning, competent, a good reporter of facts. They can tell you what happened. They struggle to tell you how it felt.
Watch for the intellectualizing: they’ll analyze their patterns with impressive insight while staying completely removed from any felt sense of them. Watch for the “I’m fine” that lands flat. Watch for sessions that are technically productive but somehow never quite go anywhere.
What actually helps:
Patience. A very long runway. Name what you notice without requiring them to confirm it:
“I notice your voice got quieter there. You don’t have to do anything with that — I just wanted to name it.”
Don’t push for affect before the container is built. Don’t fill silences to relieve your own discomfort with their distance. The slow, consistent presence is the intervention.
Disorganized / Fearful-Avoidant
The behavioral fingerprint:
This is the client who pulls you in and pushes you away — sometimes within the same session. Idealization and devaluation that cycle without obvious trigger. Approach-avoidance that can feel destabilizing to sit with.
What actually helps:
Safety, first and always. Predict ruptures before they happen:
“Sometimes when we get close to something hard, part of you might pull back or push me away — that makes complete sense. I want you to know I’ll still be here.”
Repair explicitly and repeatedly. They may have never experienced someone staying through conflict and coming back. That’s the work.
Secure
The behavioral fingerprint:
You’ll know this one partly by how you feel — unusually at ease. The client can engage with emotional depth without flooding. They can disagree with you and repair. They reference outside support naturally.
What helps: Genuine engagement. They’ll notice if you’re phoning it in. Challenge when warranted. They can hold it.
Questions to Hold About Your Own Response
- What do I want to do that I’m stopping myself from doing? (Over-reassure? Pull back? Push for more feeling?)
- Am I more attentive with some clients and more checked-out with others — and what’s that about?
- Which attachment style is hardest for me to be with? What does that tell me about my own history?
The Quick Reference You Actually Want in Session
The full Attachment Styles in Session Cheat Sheet is a one-document clinical reference with:
- Behavioral fingerprints for each style (what it looks like in your office specifically)
- Common defenses by style
- What each client needs from you — and what to avoid
- Scripted entry points for each style
- A countertransference guide for each
- A quick-scan reference table
See the Attachment Styles in Therapy Clinical Guide →
Frequently Asked Questions
Can clients have mixed attachment styles?
Yes. Most people have a primary style with features of others, and styles can shift across different relationships. The categories are maps, not diagnoses.
Do I need to tell clients about their attachment style?
Not necessarily, and often not by name at first. The clinical work is about helping them notice their patterns in real time — naming it “anxious attachment” is less useful than helping them recognize the reassurance loop in the moment.
Can attachment styles change in therapy?
Yes. Earned security — developing secure attachment through a safe relationship, including the therapeutic one — is well-documented. The relationship IS the intervention.
What if my client’s attachment style and mine clash?
This is where supervision is invaluable. Certain style pairings pull for specific countertransference. An avoidant client can pull for a therapist’s own avoidance or frustration. A disorganized client can pull for hypervigilance. Know your patterns.
How does trauma affect attachment?
Developmental trauma — especially relational trauma — almost always produces disorganized or fearful-avoidant patterns. What looks like “personality” is often an adaptation to an early environment where safety was unavailable.
Kristen McClure, MSW, LCSW is a licensed therapist who creates practical clinical tools to help therapists navigate the hardest moments in their work.
See the Attachment Styles in Therapy clinical guide →
Sources: Bowlby (1969/1982), Ainsworth et al. (1978), Main & Solomon (1990), Siegel (1999), Wallin (2007)