Okay, stick with me for a minute. This is going to sound really weird, but just humor me for a minute.
While he is in the room with you, go to a reputable sex toy website and look for a "bend over boyfriend" kit. Show it to him and ask him what he thinks. I have a hunch. Give it a try if you can brave it, and let us know what happens.
All the best, -NOPkins-
I will ferret out an affair at any opportunity.
-An affair is the embodiment of entitlement, fueled by resentment and lack of respect. -An infidel will remain unreachable so long as their sense of entitlement exceeds their ability to reason.