When Eva and I returned from our weekend getaway, she was a new woman. She fucked me every day for a week after, often fantasizing about her rendezvous with Sam. Things naturally slowed down after a while but reliving the memories of that night when she acted like a total whore were often part of our foreplay.

When Eva would put on some lingerie before one of our sexual romps she would ask me, "Do you think Sam would like this?"

When she gave me blow jobs I would say things like, "I bet Sam wished you were sucking his dick right now" or "pretend you are blowing Sam."

While...