Guys, If a married men is very chummy with a female coworker and tells her that she looks beauuuuuutiful in a sexy voice is he trying to cheat?

Im asking because I overheard a coworker doing this to a very attractive female coworker he has known for decades and I know that he isn't planning on seperating from his wife and kids anytime soon. He is very sociable and since they have been working on projects together for so long he tells her about all his insecurities regarding work but sometimes he tries to shift the conversation to private topics. I know that they and a few other coworkers refer to themselves as a family and that they do activities outside of work so I don't know how to feel about that. I can't believe that he just wants to be platonic friends with her because he doesn't even have enough time for his own family and men are never nice for nor reason. What do you think? Could he have just been bored? He likes to spend time alone with her at work too.

Yeah probably
Can't really tell, maybe he was just bored.
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Guys, If a married men is very chummy with a female coworker and tells her that she looks beauuuuuutiful in a sexy voice is he trying to cheat?
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