Oh this was a bad idea. Now I see. I agreed to swap bodies with my girlfriend, with the condition that if I didn't like it we would swap back. The thing is, she said that she can keep my body as long as she can make me cum every day. At first I thought it would be just a little fun, but each day that passes she makes me cum even harder! She knows this body better than I ever could and everytime she asks me if I want to swap back, she waits until I'm on the verge of an orgasm to say it. "Do you want to spend another week on you back being plowed by this big dick honey? Do you like having a tight little pussy? Being my little bitch?"
And the only thing I can answer, completely humiliated is : "YES!"