Should I Be Upset? Friend Dating My Ex

A 28-year-old woman is stuck in a very specific kind of emotional traffic jam: her childhood friend is dating the ex-boyfriend she still can’t fully shrug off.

Sarah and Mark were introduced by OP at a party two years ago, and the breakup five years back was “on good terms.” So when Sarah quietly told her she and Mark are now dating, OP didn’t just feel surprised, she felt blindsided, betrayed, and weirdly exposed, especially since she had already confided in Sarah about what Mark meant to her.

Now OP is avoiding both of them, and the whole friend group is split on whether she’s being unfair or just protecting her own boundaries.

Original Post

I (28F) recently found out that my close friend Sarah (27F) is dating my ex-boyfriend from five years ago, Mark (29M). We broke up on good terms, but I was always uncomfortable with the idea of my friends dating him.

Sarah and I have been friends since childhood, and she knows how important Mark was to me. For background, I introduced Sarah and Mark during a party two years ago when they hit it off.

However, I never imagined they would start a romantic relationship. When Sarah finally told me about it, I was shocked and hurt.

They were not public about their relationship but Sarah wanted me to know out of respect. I've been avoiding both of them since I found out.

Sarah has tried reaching out, explaining that their relationship just happened naturally and they developed feelings for each other. She apologized for any pain it caused me but believes she shouldn't have to hide her happiness.

I feel betrayed and hurt, especially since I confided in Sarah about my past relationship with Mark. Seeing them together is causing me emotional distress, but others say I'm overreacting and should be happy for them.

I haven't shared this with many people yet, as I'm not sure if I'm being irrational or if my feelings are justified. So AITAH for feeling this way and wanting Sarah to keep her relationship with Mark private?

When friends date former partners, it can trigger jealousy or insecurity, especially if the relationship ended with unresolved feelings. Recognizing and communicating these feelings can help mitigate misunderstandings and reinforce boundaries.

Comment from u/fuzzybunny_123

Comment from u/coffeeandcats22

Comment from u/moonlight_dreamer

Sarah told OP out of “respect,” but that respectful heads-up landed like a betrayal anyway, because OP already had history with Mark.

Emotional intelligence plays a vital role in managing complex interpersonal dynamics.

Comment from u/sunnydays87

Comment from u/sparks_fly_high

Comment from u/bookworm_gal

The awkward part is that Sarah and Mark didn’t come out of nowhere, OP literally introduced them at a party, so it feels too tied together to be coincidence.

It also echoes the AITA fight over a unique baby name, where family opposed the parents’ choice.

It’s advisable for the Reddit user to communicate her feelings to her friend directly, expressing her discomfort while also listening to her friend's perspective. This approach can create a safe space for both individuals to explore their emotions and establish healthy boundaries moving forward.

Comment from u/pizzaoverload99

Comment from u/traveller_17

Comment from u/starrynightsky

When Sarah reaches out and says feelings just happened naturally, OP is left staring at the same question, why did it have to be Mark.

The discomfort stemming from a friend dating an ex can often be mitigated through self-awareness and emotional regulation.

Comment from u/wildflower_child

While OP keeps both of them at arm’s length, other people are telling her to be happy for Sarah, which only adds fuel to the emotional mess.

What's your opinion on this situation? Join the conversation!

Understanding the complex emotions involved in friendships and past relationships requires self-reflection and effective communication.

In situations like this, feelings of betrayal often stem from unresolved emotions tied to the past relationship, highlighting complex dynamics of loyalty and friendship. The OP's reaction suggests that attachment styles and boundaries play a significant role in how these situations are navigated—she's grappling with feelings of insecurity and a sense of loss over her history with Mark. Open communication and self-reflection could help her articulate these feelings better, potentially leading to a more understanding and supportive conversation with Sarah.

OP isn’t asking Sarah to stop being happy, she’s asking for distance from the exact person who still hurts.

For more mental-health boundaries, read why she refused her sister’s baby shower despite family tension.