IS HE INSANE?!?!? GIRLS + GUYS ANSWER!!?

okay so i am no slutttt, but i wanted to mess around with my ex before he leaves for college cause i still feel attracted to him and i just wanna get him out of my system. we've kissed so far but nothing else. so i tell him i don't want a relationship, i dont want any strings attached actually, i just wanna have fun (most guys dream right??) and he is acting all weird! i though it would quell his weirdness but it made is worse!!! WHAT THE HELL??