In my head — how do I approach my boyfriend about it and how do I cope with my anxieties?

I’m really happy with where my boyfriend and I are but I basically don’t vibe well with some of his friends. I don’t dislike them necessarily (except for two… that’s for a different post tho LOL) but we just have such strikingly different personalities that I find it hard to connect and make those “close friendship” type relationships with. When we’re all together it makes me end up being quiet and when I’m quiet I feel like I’m coming across stand off-ish but really it’s just that I don’t find a place for me to fit in to conversation (they’re talking about people or things I don’t know, for example). They’ve made comments about other people being “bitches” because they’re stand off ish and quiet and it makes me think “well do they think I’m a bitch bc I’m quiet?” I’ve tried to engage in conversation but it’s like pulling teeth sometimes (and I don't know.. I feel like with the right person I can be pretty outgoing and conversational).

I’m in my head because I’m afraid that it’ll take a toll on our relationship long term. I don't know. I don't know if I should even try talking to my boyfriend about this and if so what would I even say? I feel a little insecure. I can’t explain why. I feel a little jealous maybe? Also can’t explain why.

Can anyone help decipher my emotions?
Updates
+1 y
Also totally irrelevant side note but something that I’m also in my head about… we never take pictures. He has pictures with his friends and his exes but when I want to take a picture it never happens bc there’s always some distraction that comes up. I don't know. I’m in my head sbout that too and I hate that I get kind of upset about it. I don't know how to tell my boyfriend the way I’m thinking and feeling without potentially putting him on the defense
In my head — how do I approach my boyfriend about it and how do I cope with my anxieties?
Post Opinion