The guy asked me what my ideal guy is..?

this guy asked me what my ideal guy is and when i described my ideal guy he said who am i referring to.. I said none in particular.. then we talked for hrs ..he said he knows how i feel towards him.. (i like him)..and he is happy about it.. but the nextd ay i saw his friendster account and the primary pic was his and a girl..friend's pic..girl accdg to him is only a friend.. but then again he knew i was jealous about dat pic the first time i saw it in his cp.. advice please.