Why does my coworker compare himself to my boyfriend?

They are both the same age. He seems to be abit salty every time someone asks me about my relationship.

My coworker for some strange reason was comparing himself to my lovely boyfriend. Asked me what car he drives? If he has a house? I am curious to see what he looks like? Then he said I have a house if I meet a girl and we have children I am able to provide. I have things going for me.

Why does my coworker compare himself to my boyfriend?
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