Know that for every exuberant 'I love you' from a three-year-old, you're bound to get a, as they say, developmentally appropriate 'I hate you' from a thirteen-year-old. The trick is to embrace the one and let go of the other. . . . Laughter helps." -Cartoonist Barbara Smaller, introduction to the Book of Moms Perfect for Mother's Day, 100 sarcastically pitch-perfect cartoons culled from The New Yorker archives to celebrate Mom's unique motherly mom-ness. More The New Yorker Magazine Book of Mom ...