please help

there is a boy... he lied 2 me about someting. i was seeing him. i never loved him but still cared for him - he wanted me as his girlfriend. it is only just recently i noticed i have feelings for him.he doesnt like me anymore. i know he is a lying prick cheating easy man-whore who needs 2 get over himself... but i dont know. maybe i just like chasing after him... now that he doesnt like me anymore.