So me my boyfriend and his homeboy chilling and my cousin who I don't really get along with walks up the street ..., my boyfriend is just looking around and his friend is saying things like oooh and wondering who she is so I don't answer because I know that's my cousin and I didn't want to be involved but my boyfriend blurts out that she is my cousin I'dk if he is jealous or he don't want him to talk to her what should I think should I trust that