Most Helpful Guy
My opinion he still likes you otherwise he wouldn't care who you liked. Why is he doing it? I dont think it is to make you jealous, in my opinion I think its to stay close to you. Its the same reason people stay friends or find reasons to talk to their exs they want them back and just do not have the apples to go for it or they at least still care and haven't finished morning so they want them near by. He must of cared more than most would of in that short time because it sounds like he is taking it hard.
Most Helpful Girl
Both. He's on the rebound and trying to make you jealous. If it was just friends with benefits for him, he wouldn't care who you are crushing on. He has real feelings, girl. But, if you don't feel mutual, then let him go. He'll get over it. Best of luck to ya.