By age 30, Colleen Miniuk had checked all the boxes for success: an athletic scholarship to Stanford University; a business degree from the University of Michigan; a high-paying, steady job in the booming tech industry; a big house in the suburbs with a Mercedes-Benz in the three-car garage; and a brilliant, kind, successful husband. She had made it in life according to even the highest of societal and personal standards. But her relentless need for...