What do u think is wrong with him??please read and reply thanks?

i really like this guy he likes me too he didnt say he did but i told him i did..hes constantly making eye contact wit me even b4 i see him in the corridors at school..but when i text him he doesnt txt bak and he knows i like him but wen hes around i dont luk at him well i do sumtimes most of da time he just looks at me..my frend asked him did he like me and he said no and then she said then why u always looking at her and he wouldnt answer her... wat do u think????