Relationship help!!!?

ok i like this guy but i have a feeling that he still misses his ex gf. she's in taiwan tho. they broke up cuz he wanted to move on. iono we argue alot but like in a fun way. he rarely calls me. i call him alot tho. but then i get confused cuz like he says he misses me n i meant to take a pic of me and my wallet w/ a ten dollar bill but it showed up the pic of us in the wallet which he's not suppose to kno well anyways he said awww you have a pic of us in your wallet. lol yea i'm so confused...do you think he likes me? i kno i kno i shouldnt worry about if he does/ doesnt and stayin friends n takin it slow is better but i just want to kno do you think he likes me too?