My in laws have about 20 assorted bikes out in the barn, and my interest has been piqued in repairing one for my own use. I am mechanically inclined, so I am wondering where is the best place to start in figuring out exactly what needs to be done to "tune-up" a bicycle...
Maybe it is time for you to take the intuitive ...and bedroom control.
Buy a book on sex positions...and let him flick through till he finds something that you both may like....
Or you could add "hey lets try this or that "
After all variety is the spice of life.
l think he justs needs a little...