what should I do?

well I used to be friends with thiz 1 guy..and I dunno what happened that we stopped talkin 2 each other..&& well several years passed and right now hes in 8th grade && im in 7th..anyways last year I liked him but hev didnt like me..I got over him and thiz year I started liking his friend…and well before I told his friend that I liked him he used to hang out with him a lot…now they dont even sit in lunch together..and whats weird is that when tha guy I liked doesnt come to school or is in another table he sits there..anyways all we and him do is smlie at each other..and well im starting 2 like him again..what should I do? please help!!