Why would two married coworkers be so obviously cheating with each other on their spouses at work?

And not trying to hide it, sneak away, always stare at each other and act like a couple in front of everyone else almost like they are trying to show off? Why would they not at least try to be subtle about it when everyone knows theyre married and not trying to end their marriage (one of them is building a house with his wife, the other recently had children). Given their situation they have very much to lose but they still want everyone to know they are fucking. Why would they do that? Am I just prude?

Why would two married coworkers be so obviously cheating with each other on their spouses at work?
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