She'd long since forgiven him for cheating on her.
Mom was cheating on Dad.
It's called cheating in the real world.
Part of him felt like a pimply 16-year-old chasing the prom queen, while the rest of him was a lying, cheating sneak thief.
I drove the few miles to Howie's home feeling as guilty as a cheating husband for leaving Betsy alone and uninformed.