Like me, Sarah is probably the youngest kid in her class (we both have August birthdays). She is also one of the smallest physically. You might think this would result in some shyness, which I had plenty of as a kid, but no. When I brought her to school in late morning after a doctor’s appointment the other day, her class happened to be on the playground, and they caught sight of her getting out of the car. Soon I heard one or two voices, and then more and more saying, “Sarah’s here! Sarah’s here!” So we walked over to them, and I swear, they clustered around her like paparazzi around Britney Spears. They were EXCITED to see her and FASCINATED to hear what she had to say. She appeared to be... good Lord... POPULAR. I on the other hand was standing to one side, mouth slightly ajar, thinking how this was SO NOT ME as a kid. Then during school vacation week, Sarah went to an informal day camp sponsored by my husband’s workplace, so she didn’t know a soul and had never been anywhere near t...