Signs to look for good/bad

Ok ladies I haven't been in the dating game for YEARS because I was in a committed relationship so I feel like I'm an absolute dummy for not knowing a lot about it anymore 🤦🏽‍♀️, it's changed a lot since I was dating. Now that I'm single again I've started talking to a man recently, he seems super sweet, and we have a great connection, but at the same time part of me is hesitant. I'm wondering if he's just telling me all this stuff just so I'll hook up with him. Maybe I'm just overthinking it which is entirely possible 🤷🏽‍♀️. What are some signs he's possibly just playing me or even some good signs that he's actually sincere. I can seriously use all the advice 😂