"And then she got older, and . . ." Lydia shook her head. "Having a teenager is like having a really, really shitty roommate. They eat all your food and steal your clothes and take money out of your purse and borrow your car without asking." She put her hand over her heart. "But they soften you in ways you can't imagine. It's so unexpected. They just smooth out your hard lines. They make you into this better version of yourself that you never even knew was there."