I bought my wife a magic wand "massager" for Christmas. The thing is amazing. A couple nights after Christmas I tied her up and used it on her til she came again and again and was begging me to stop. She was in tears she came so much. Unfortunately she was angry with me and I ended up finding out something I didn't realize.

She had her turn to tie me up last night. Usually that means ice cubes, lube, a long long blow job then she rides me to a great finish. This time she used that vibrator on me. I never thought of it being used that way. It felt great but then she told me she was going to do to me what I'd done to her. I struggled but couldn't get away. I tried so hard not to cum but it was impossible. She concentrated the thing right on the under side of my dick. Before long I was cumming but she kept the vibrator on me. It was so painful. She kept it up til I got hard and came again then kept it on while I was nuts. She finally stopped when I was in tears begging her just like she had done. She made me promise never to do it to her again and believe me I won't. It's the worst feeling in the world. My dick has been tingling all damn day driving me nuts too.