If someone has suggested — directly or indirectly — that your best years are behind you, I want to stop right there and tell you: you are not alone in hearing that message. And it simply isn't true. This June, I am celebrating my 71st birthday. And I can tell you with certainty, grounded in nearly four decades of clinical experience and in the lives of the women I've walked alongside: the second chapter of life is not a slow unwinding. For many women, it is the richest, most