Oleh_Slobodeniuk/E+/Getty ImagesI knew perimenopause was going to give me hot flashes, maybe some insomnia, a little vaginal dryness. Perhaps I’d suddenly become one of those women who carries a portable fan everywhere and has extremely strong opinions about linen. I was prepared. I am a gynecologist, after all. Menopause is literally my job. I know what happens when estrogen packs a tiny suitcase, flips you the bird, and heads for the door.What I did not anticipate was the complete and apparently irreversible shutdown of my internal customer service department. You know the department. It has...