Am I bad a girlfriend if I don’t like my boyfriend’s friends?

i trust them and all but the thing is he has this one girl bestfriend that he is SUPER CLOSE with and my boyfriend is really understanding and caring towards me and will do anything for me (i do the same too) but i’m just scared that i’ll come off as too/very selfish or possessive if i talk to him about it because i find it silly but at the same time i overthink a lot about it and sometimes it brings me down. i don’t know what to do, to be honest.

Am I bad a girlfriend if I don’t like my boyfriend’s friends?
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