Why do married men go hot and cold with you?

There’s a married man I like and he likes me - NOTHING has happened between us though. But the attraction is there. What I don’t understand is he will g et moody with me all of a sudden for no reason and act like he wants nothing to do with me (I’ve never acted like this with him). Im confused with his behaviour with me

Why do married men go hot and cold with you?
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