What are signs that he likes me and am I wasting my time?

I met a guy in his late 30s on a dating app almost 8 weeks ago. When we first met up we watched a movie and basketball. We hit it off but I didn’t think he would contact me again. But we have been seeing each other each week. Yes it’s a mix of sex and hanging out. I know this may not be a sign that he likes me but he will tell me his plans for the week, talk about his work and he even played a joke on me last week and said “aww you’re so cute” id really like to let him know that I’m developing feelings but i also am enjoying what we have going on and don’t want to rush anything. How can I subtly find out if he may have feelings for me or get it out of him? Should I wait a few more weeks to tell him?

What are signs that he likes me and am I wasting my time?
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