Ive like this guy for a while and.....?

well this guy told me i looked preety and that i should kep it up and that maybe i might get aguy and i told him a had a guy already and he asked me who it was and i told him this name and he said well i dont care! do u think he got jealous ive liked him for 2 yrs and ive told him but i think that he think im over him ! what should i do im actually planning to tell him that i like him!