This guy? i feel so obses, how can i stop?

ok so i like this guy im not sure if it's love or like, but he's like always in my mind everyday. here's the story i met him when we wer in highschool im on my 1st yr college now. wer in diff school now and gosh i miss him so much arrggg.. before my friends tease me to him i get so red all the time and my heart pump like very fast. he's the most adorable guy i know and i really want him,but all he do is smile or just ignore before coz he have a gf but now not anymore they break up which is good thing for me (evil laugh) juz kidding! i think he knows before i really do like him idk if he's juz shy or ignore me. now wer in diff school taking up same course . he's single now. my friend send him a message that saying i kinda like him but he did n ot respond. what do i do? he's always in my mind i wanna forget but i can't...........i really wanna forget him so i can move on.