Boy trouble Please hlp!!!!!!!!!!!!!!!!?

ok guys there is this really attractive guy .... but still i cant tell if if likes me any more because at fist he was tottaly hitting on me flirting( for example touching my arm poking me in the stomach and pinchind my cheeks saying i was so pretty) okay butanywaz now he hardly talks to me at sckool ... i dont know if he got nervous or what and oh ya he likes to flirt with alot of people so whats going on.....please help