Does he like me or just a flirt? PLEASE ANSWER.?

Richie is giving me more mixed signals once again. He's been waving at me, and smiling all the time everytime i wave at him. He found out one of my nicknames from a friend, and he just smiled..then said he's going to put it on facebook and today he found out my other nickname..the newest one which is "bouncy brittani" and he smiled, then moaned kind of or it sounded like he did. Im not sure if hes flirting with me, playing me or does actually like me...so please help..:( no hater comments either, i need your advice...bad.