"You fall down. You get hurt. You get up again. You know Jennifer Weiner as many things: a bestselling author, a Twitter phenomenon, and "an unlikely feminist enforcer" (The New Yorker). She's also a mom, a daughter, and a sister; a former rower and current runner; a best friend and a reality TV junkie. Here, in her first foray into nonfiction, she takes the raw stuff of her personal life and spins it into a collection of essays on womanhood as uproariously...