Your definition of SSM being only a difference in drives seems like only one of many possibilities. Usually there is a lot more going on under the surface which impacts the sex drive. The same applies to a WAW. The sex is not the issue at all. This exact same thing applies to what is being discussed on all the other boards. It’s just that this is the only board smart enough to know that!
So stick around. You’ll learn something. The posters here are that good!