A kink
A kink is like your special flavor of sex. It’s what gets you going and makes you scream like a banshee.
He only gets off if I whip him. Says it reminds him of his old job as a donut shop manager.
She’s into being bitten. Says it’s like a love bite from a vampire who’s also a snack.
He loves being tied up. Says it’s like being in a cage with a hot guy.