Wife brought a friend for an orgy, and now she's watching and clearly jealous

I look at my friend's tits and realize that we're about to have a foursome

We had an agreement on mfm, and you brought a friend, so we're swingers?

You wanted to cheat? Here's a friend girl for fmf, but we'll share the sperm

We were going to play board games, but suddenly became swingers