Confused???

Serena

So I’m confused there is this guy im friends with at college (we live in the same dorm hall ) and he’s really cute and I have a crush on him . But He has a thing with a girl in my friend group - I’m not sure how serious it is tho. The thing is he’s really flirty with me- ( when she’s around he dosent) he always looking at me /smiling and going out of his to say things to me and joking around making me laugh , even complimenting me ?? I’m just don’t know what to make of this I need help??