When Your Partner Uses Your Insecurities Against You...

When Your Partner Uses Your Insecurities Against You

That lands hard. I want to sit with that for a second, because what you just described is one of the most painful things that can happen in a relationship. The place where you were most honest, most open, most vulnerable gets used as ammunition. That’s a profound violation of trust.

When you share an insecurity with someone you love, you’re doing something incredibly brave. You’re reaching your hand out from the bottom of the well, saying “here is the most tender, scared part of me.” And when that gets weaponized, something in your nervous system learns a very specific lesson: opening up is dangerous. That lesson, once learned, is very hard to unlearn.

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I want to offer you two things here, and I need to be clear that neither excuses what’s happening. Because it’s not okay.

First, when someone reaches for your insecurities in a fight, they’re not in their primary emotion. They’re deep in reactive, secondary territory. They’re swinging a weapon because they feel cornered or scared or like a failure themselves. It doesn’t make it acceptable, but it tells you something about what’s happening underneath.

Second, and more important for you right now: what’s happening is a direct violation of emotional safety. Your innermost wounds, your insecurities, the youngest parts of you deserve to be witnessed, not weaponized. Your partner’s job isn’t to fix your insecurities, but it is absolutely their job not to exploit them.

Every time they do this, they’re not just hurting you in the moment. They’re teaching the most vulnerable part of you to go back underground, to put the wall back up, to stop reaching out. And here’s the brutal truth about where that leads: you stop being honest. You start managing what you share. The relationship slowly hollows out.

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You might still be together on the outside, but you’re both performing safety rather than feeling it. That’s a very lonely place to live.

So the question becomes: has your partner ever genuinely understood the impact of what they’re doing? Not been accused of it or attacked for it, but truly grasped that when they do this, they’re not just winning an argument? They’re chipping away at the foundation of your safety in this relationship.

That conversation needs to happen from a calm, undefended place. Not “you always use my insecurities against me,” which triggers defenses immediately. But something closer to: “When you bring up my insecurities in a fight, I shut down completely. I stop trusting you with the real me. And I don’t want that for us.”

That’s primary emotion. That’s the soft underbelly. And it’s much harder to weaponize someone’s sadness than their accusations.

About Figs O’Sullivan, LMFT
Figs is a licensed marriage and family therapist with 16+ years of experience working with couples. He’s the co-founder of Empathi, host of the “Come Here to Me” podcast, and author of an upcoming book on relationships and the systems that shape how we love.

Read more: Emotional Safety in Relationships: What It Means and How to Build It

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Figs O'Sullivan is a Licensed Marriage and Family Therapist (LMFT #79062) and the founder of Empathi. For 17 years he has helped couples move out of disconnection and back into secure, loving connection, drawing on Emotionally Focused Therapy and attachment science. With his wife Teale, he runs a San Francisco couples therapy practice, is a relationship expert to the Stars and Silicon Valley, and built Figlet, an AI relationship coach trained on their clinical work. His approach has guided more than 58,000 relationship assessments.

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Frequently Asked Questions

Why does my partner use my vulnerabilities against me during fights?+
When your partner weaponizes your insecurities, they're usually in full 'Babies in Love' mode. Their nervous system is detecting an existential threat to the bond, and they're grabbing whatever emotional ammunition they can find. It's not calculated cruelty (though it feels that way). It's panic. Their childhood strategy for surviving emotional overwhelm is to make you hurt as much as they're hurting. This doesn't excuse it, but understanding that they're operating from their most wounded, scared place can help you see the pattern instead of just the pain. The fight isn't about what you think it's about.
How do I trust my partner again after they used my secrets against me?+
Your nervous system learned a very specific lesson: opening up is dangerous. That lesson, once learned, is incredibly hard to unlearn because your body keeps the first ledger of every betrayal. Rebuilding trust requires what I call 'proof-of-work' in love. Your partner needs to demonstrate, through sustained empathic repair, that they understand the profound violation that occurred. This means owning the impact fully, not just saying sorry. They need to show you that your vulnerabilities are safe with them through consistent action over time. Trust rebuilds through repetition, not promises.
Should I stop sharing my insecurities if my partner might use them against me?+
Here's the thing: shutting down completely is just another form of the 'Waltz of Pain.' If you become the withdrawer to protect yourself, you're both now stuck in a cycle where intimacy becomes impossible. The goal isn't to stop being vulnerable; it's to create safety for vulnerability. Your partner needs to understand that weaponizing your insecurities is relationship poison. Period. You both need to learn how to fight without destroying each other. If you're struggling with this pattern, Figlet, our AI relationship coach, can help you navigate these conversations and rebuild emotional safety.