njx, Forteo would be a better choice for your wife than Tymlos, because it works best in the spine, not because she is female. It is clearest to understand the loss of bone in women by understanding the loss of estrogen's effect on bone. It isn't a lifestyle deficit. While estrogen can prevent further bone loss, it really cannot regain lost bone.
Do you have secondary cause. Low testosterone is one cause of rapid bone loss for men,
While it's good that you are preparing and making sure she is tested for secondary causes, and ensuring that she is prescribed bone markers, be careful to lay low during her consultation. You might record the conversation, and reserve your comments for last, recognize, accept and encourage her decision.
I'll be secretly hoping she opts for Forteo.