Early last summer, she told us she wanted to look her best at the upcoming class reunion — she hadn't seen her old classmates in years. She was a disciplined person. Living on the Peninsula, juggling work and family, she'd kept herself in great shape — eating well, staying active, never cutting corners. But years of accumulated stress had written themselves on her body: shoulders hard as stone, a tired complexion, and a reflection in the mirror that looked more worn out than