Nobody ever told me how hard it is to make friends as an adult. In school, you make friends with the person you sit next to on the first day of class. It’s almost effortless. A couple of questions about an assignment turn into long conversations about your favorite TV show or next week’s big game. As an adult, work replaces school. You can still make friends there, but it’s not as easy. Everyone you work with, unlike at school, is in a differen…