What did i do.....: (?

so here is practiclly the whole story... i was the new girl at a small town high school.. so i go to a dance... and i ws dancingin my own little group. till a tall guy grabs me nd haves me dance with him.. so i did.. the folowing monday evry one said he liked me and wantedto go out and has been checkingme out since i came. bu the is a 17 year old senior and im a 14 year old freshman.. and i can even remember what he looks like.. so my friends point him out and yeah he is super hot.. tall tan nice muscular body...but i didnt really know what to do.then he start talking to me and siting by me when i ws alone. and i started to like him.. he asked fo rmy number andi gave it to him. so he would text me every secound of the day. saying how beautiful i ws and that he wishe dhe could go ut and meet im on romantic walk at the park..it ws as if we were! goin tout but not offically. but he was on the football team and they would travel all over.. so my other guy friend that played said he was flirting and hnging out with a bunch of girls at the game. which made me super super mad i would comfront him about it and he would say there was no one and he only was thinking about me the whole time. so we hang out and i was starting t believe i might love him.. till out of no were he stops textingme and calling and basicaly talking to me at school.. i dont know what i did he always talke dabout he wants me to kiss him soon and why i dont hug him but know he donteven look at me wheni walk past him he just hits my shoulder and keeps going. the told my friends he doesnt know who he likes any more. im so hurt and deppresd it kills me to walk past his little spot he stands by at school because i can feel him gaze at me bu tno direct eye contact. i just wish every thing could be how it used to when i first met him please give me advice. and when he leave to graduate i think i might die. i love him and i can loose him.