Hi y’all! Made a throwaway since bf(or ex) lurkes reddit. 
So last night my bf calls me in a rush to talk about some heavy stuff. Basically his little brothers best friend (who’s like a lil bro to him) snitched on some bad dudes who are getting time and everyone knows it was him. My bf(should I just say ex?) called conflicted on if he should try and protect his “little brother” should something happen and I flat out said unless he’s your blood you need to back away, then said I don’t want to see him hurt. These are some bad dudes, like I’ll shoot your whole house up type. I for one am not okay with remotely any affiliation with this kinda stuff and think that we should break up for the fact that I will refuse to sit there and watch him get hurt over someone’s who is of no relation and who’s not directly threatening him. 

TL;DR-bf wants to protect close younger friend from gang shit which would inevitably mean he gets hurt and I want to break up to avoid seeing him get fucked bc of it. Am I the asshole? Is it selfish? Fuck if I know:/