Im confuzed? do i like him and does he like me?

well in school theres this guy that ive been friends with for a while and i think i might be falling for him, hes nice and kind but not realy the dating type, i mean hes not ugly just, kinda wierd. but i talk to him a lot and durin a movie i was sitting with my friends and saw him sitting alone so i moved over and the relized that i was sittin next to him and just said "hey, thought u might be lonely so i came over to keep ya company" ...ya pretty lame but the only thing i was thinking was "y did i move over here?" i dont know wat to do, im so confuzed help plz!!