Is my married coworker crossing the line and about to cheat?

I went out to dinner with my male co-worker last week, alone, and today we made plans to go out for dinner again next week, alone. He is not single and had to schedule at a time that he wouldn't have to pick her up at her work (I am assuming this is being kept secret). The last dinner, at the end, he gave me a full body contact tight hug. He has given me compliments that I am funny and smell good and I have noticed small things like drawing smiley faces, long stares and I have sensed him checking me out. Is this leading down a path of him potentially cheating on his wife? Thoughts?

Is my married coworker crossing the line and about to cheat?
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