I think I do understand what you're saying, and as much as I can't RELATE to it, I can empathize with you.
You state your feelings and your needs so well that I feel like I know you.
I also think your husband is who he is, and isn't going to change. He may continue to change how he RESPONDS to you, the how often's and such, but I don't think he's going to change how he IS.
What you then do with that I guess is up to you, but it's sad when a W and a H are so differently matched in this one regard.