The first night in Cancun I met a guy at the bar and ended up back at his hotel where we had sex. It was my first time with a guy since I'd submitted to Ellie and when I returned to the hotel the next morning she was furious. She ranted: "This trip was about you and me Alexis, not about you being a fucking skank."

I apologized profusely, feeling overwhelming guilt as if I had cheated on her, which I had. Any sexual activity whatsoever, even including a quiet masturbation session alone was considered cheating if I didn't have my Mistress' specific permission. But a few drinks with a...