Meg-john And Justin

Okay so, I like to maintain close friendships with my exes who are important to me, but I’m struggling with knowing and enforcing my boundaries in those relationships. It’s got to the point where I’ve introduced a new partner to an ex at an event or party and unsurprisingly they’ve got on very well - so well that on a few occasions there’s been some flirting and once or twice some deeper romantic feelings from one of them (though nothing has ever been acted upon as far as I’m aware). It seems that in an effort for everyone to feel okay, an ex and a new partner latch on to each other, but it can leave me feeling quite stressed and pushed out. Also I tend to date people that are quite extraverted and I’m more introverted/socially anxious, so their instinct when this happens is to (friendlily) assert their social position, and my instinct is to withdraw. I’m happy that my ex and new partner get along and are making an effort to make each other and themselves comfortable, but I seem to end up feeling very unc