Well if a guy likes you then he will probably act kinda of differently at first. In the begging he will act like the guy YOU want. Once you finally open him up he will act like himself.
I think that either he`s playing coy (hard to get ) or he just is wishy-washy,and doesn`t know what he wants
Probably a manwhore who messes with tons of girl's feelings just ignore him and he;ll...