Had a one night stand few weeks later bumped into him and he was smirking at me?

What made it even more uncomfortable is he was with his girlfriend, totally mortified at what a creep he is. I didn't know he had a girlfriend I definetly wouldn't have went near him if I knew. Doesn't guys like this have no shame?
Had a one night stand few weeks later bumped into him and he was smirking at me?
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