Need relationship advice!?

so me and this guy have been talking since january. we werent that serious until maybe a couple months ago. i already knew how he was from the start because he has the attitude of he dont give a **** about anything and he's stubborn. but i already knew that.so we chilled and he asked me out. we always call each other babe, we always talk to each other, and we always chill and spend the night together. 2 weeks ago, he learned that the police were looking for him because his ex pressed charges against him. as soon as he found out, i was the first one he called. i left class and went right to him. everytime im with him, he starts to cry because he's so worried about going to jail. i already know a bunch of people are going to say leave him because he going to jail but it's not like that. i know the real him and i know who he is. but we havent chilled in a week or so but we've been talking everyday. but yesterday we were both on myspace at the same time. i go to his page and i see a girl commented sayin ';its ....'; with her screenname indicating that he asked for it. so i told him like i know your're not doing what i think you're doing, i didnt even mentioin anything about the girl. he just automatically says ';you're not my girl so i can do what i want so stop actin like you my girl.'; this hurt because i've been through a lot with him and we just started arguing after that. he didnt even call me after this happened. should i just stop talking to him? i will feel messed up because i promised i would be there for him when he got locked up but ever since he learned he might get locked up, he just changed on me. i care about him a lot and i do have feelings for him. should i still be there for him or should i just leave him? it's going to be so hard not talking to him so i dont know what to doNeed relationship advice!?
stop talking to him, he will realize what he missed out on.