"Let go of who you were to become who you are." Stacy London has given that advice to many people — but for a while, she struggled to follow it herself. Stacy had a long and successful TV career (remember her show "What Not To Wear"?), but after getting older and reaching menopause, she struggled with whether to hold onto her old identity or to try on a new one. Now she's the CEO of a company called State of Menopause, and has a lot of wisdom about what it means to transition into new phases of life.