Me and this guy coworker talk everyday and greet each other every morning, yet he hardly ever talks about his wife to me and stuff?

So the other day he was telling coworkers about some fruits his wife is selling and if anyone wants to buy them yet he never said a word to me about it I was shocked that almost everyone new but me until my friend told me about it like whyyy?

Me and this guy coworker talk everyday and greet each other every morning, yet he hardly ever talks about his wife to me and stuff?
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