They fuck her behind the guy's back and he doesn't care, he's a cuckold

She was too shy to blow herself in the toilet, but she got laid in the public streets (Sims 4)

A cuckold husband jerks off to his wife's cheating with a dark-skinned man - it turns him on

I'll let my wife cheat with a black man, but I'll jerk off to it myself

Brought his wife to the spa, and she went down the drain like a whore