How can you tell if a guy likes you through text?

I've been texting this guy and he send long messages and asks about my interests. When I asked him what he looks for in a girl he sent a long message and at one point in it, he said "I hate trashy girls, which you don't seem at all". He offered to help me learn how to play softball and guitar. He asked me my thoughts on body hair and I said it doesn't really bother me and he said that he said he's glad because he has chest hair. It doesn't bother me. Whatever. He seems like he likes me. I know a girl who used to like him and when she told him, he said he didn't feel the same way. He was super nice to her. I feel like he might just be acting nice to me. But maybe he likes me? He texts me first everyday and always says "sup?" Whenever he doesn't reply right away he apologizes but then again he might just be being nice. I don't want to ask him as be disappointed if he says no. He's a nice guy. And I don't know if he's just being nice or if he actually likes me. What are some signs that he would actually like me? Based off of this, would you say he likes me?
How can you tell if a guy likes you through text?
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