I love writing about men. To get by in the world you have to know how men think. Not that all guys think alike, but women tend to think about more things at the same time, an overgeneralization, but I find it easier to make my male characters focus than I do my female characters.
Yes, exercise is the catalyst. That's what makes everything happen: your digestion, your elimination, your sex life, your skin, hair, everything about you depends on circulation. And how do you increase circulation?
The loss of liberty which must attend being a wife was of all things the most horrible to my imagination.