Do these girls not like me or what?

Okay so this has been going on since school started which was aug 25. So my boyfriends cousin and her other two friends have been like looking at me. And at first I didn't really care but now everytime I see them they look at me as if they are talking about me and I'm kind of getting irritated. I asked my boyfriend if his cousin liked me and he said yeah but idk at this point.

What should I do?

Do you guys think they like me or not?