The last Ortho i talked to said that is one lifts weights eats healthy etc. That bone diameter does not get bigger around, It gets denser. And the center where the marrow is gets smaller as that is where the calcium goes. For less healthy/active people he said that the diameter increases but the bone itself is not strong. After my shouter replacement he said my bones were like granite and he had to use the smallest diameter spud as the center of the bone had filled in a lot. A person he worked on a few days earlier had bones of " tofu" and were bigger around then most but were flimsy as the guy didn't work out. Seems the body compensates for weakness buy making the matrix bigger in diameter and compensates for strength by making them denser.
You want to use Valium, seems that is not the best thing for bone health.