How do I know if the guy still likes me?

These this guy that ask me out last summary and I told him no but a week later I started to like him than a month later I had Adrian on him. But this summary he docent talk to me he only talks to me when I fall of my bike I don't know is it Becaues what happened between me and his friends Becaues we had a problems with him friends this may the last time he talked to me was in febuary is that why he docent talk to me anymore I can use all the advice you can give that's for your time?