Do guys “really” show visible jealousy when they see you talking to another guy?

You guys don’t date and he’s talking to someone… but he shoots an quick intense stare at a guy I’m conversating with from across the room

is it really just games… or?

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+1 y
ESP when the girl he’s talking to is hotter than me
Do guys “really” show visible jealousy when they see you talking to another guy?
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