Book excerpt: A colossal cheat sheet for your post-college years, answering all the needs of the modern woman—from mastering money to placating overly anxious parents, from social media etiquette to the pleasure and pain of dating (and why it’s not a cliché to love yourself first). A perfect combination of tried-and-true advice and been-there tips, it’s a one-stop resource that includes how to clean up your digital reputation, info on finding an apartment you can afford and actually want to live in, and why you should exercise the delicate art of defriending. Plus the fundamentals, from health (mental and physical) to spirituality to ethics to fashion, all delivered in Melissa Kirsch’s fresh, personal, funny voice—as if your best friend were giving you the best and smartest advice in the world.