If I like a guy how do I know he likes me back, I think he does by little things but other times I can’t tell. Do I text him?

He is older than me and has been with lots of people. I thought he liked me which is the only reason I started to like him in the first place. Sometimes I’m totally confident he likes me, but other times I really can’t tell.

If I like a guy how do I know he likes me back, I think he does by little things but other times I can’t tell. Do I text him?
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