Darling, promise you’d never cheat with me w

‘Darling, promise you’d never cheat with me with another woman?” said the wife.
”Oh course not dear, I’m 100% sure of that!” I replied.
”You’re such a sweetie!” she cooed. ”How are you so certain?”
”Cos if I was with another woman, I’d never cheat on her with such an ugly fat cow like you.”