Since MB involves no validation, then this would mean that to reomve the validation from a couples sex life means that sex will become nothing more then mutual MB.
That's logically incorrect: "A implies not B" does not mean "not B implies only A". A canoe involves no motor. If one removes the motor from a motorized sailboat, the motorized sailboat does not then become nothing more than a canoe.
I also don't see how adding validation to sex makes it "more" than mutual MB. You want the validation to make you feel good, right? What's the difference?
All that said, I think I could make a pretty good case for a sex life that was nothing more than mutual MB being a Very Good Thing. I'll have to think about that. Meantime, consider how one's sex life might unfold if neither partner needed validation from it. My vision of that is pretty awesome; yours may differ.
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