best friend jealous? guy friend? help (:?

best friend jealous? guy friend? helpp (:

ok so my best friend liked/likes this guy she went out with 2 years ago but for only a few days; she's been being all bitchy at me lately since him and me started talking...him and me are now really good friends..we talk alot; he texts me all the time; and so he's been asking me lately who im going to formal with? which is no one at the moment..and now today after school he came up to me and locked my locker haha..then he messed up my hair..so im like ugh w/e and i totally hate when people mess up my hair..ahah and he knows it..so then he kicked me..not hardly but kicked me; then he went to his locker and left..i went outside with my friends to leave school..and we were talking and walking..out of no were he come up behind and did that to my hair again..haha then we walked to his bus stop and talked

so do you think he likes me?

do you think he wants to go to formal with me?

and do you think my bff is jealous of us?

thanks (: and sorry for it being sooo long