Since it was his birthday, I let Sean fuck me without a condom. He begs for this all year, but my agreement with my husband is that I’ll always use a condom with Sean. I break that promise on Sean’s birthday, though. It’s kind of a secret. I’d never had to let my husband know before because it’s never been a problem. Sean and I have been a couple for a little over three years now. I had a few other boyfriends before him -...