Cheating?? or ....in need of advice!

so I started talking to this guy,it's been about 3 weeks, of nonstop texting.every day we text each other, a couple hrs here and there, at all kinds of hrs of the night and day. He given me all kinds of information on where he's staying ,sends me pictures, memes ,links. well he went on a trip, and had some car trouble, ended up staying there a week. we haven't talked the phone, yet. well as.of yesterday he has not texted me back. so I'm on Facebook and end up finding him, well as ever I'm curious,and start looking at his photos.( his account is privet Soo cant really see anything) well on one of his photos there somebody named Melissa, the photos is dated early this year. well she's married to him, it's seems, but there is nothing showing any contact between them, I don know what to do of think. if he's divorced or or still going through it , or he's just a fucken cheater. any advice will help, I don't know what to do. I'm not a home wrecker, so I wouldn't keep seeing him if it was true if he was still married. please help ladies!!!