How I Know I'm Over the Only Child Thing

Last night, I was reading my book at my daughter's gymnastics class, listening with half an ear to two other mothers talking about their children's extracurricular activities. This year is the first year we've had the girl in more than one activity at a time (swimming lessons being the exception -- swimming lessons trumped everything for us), and it's tough. We've already had to make a hard decision to keep her from trying out for something in ballet she really wanted to do because of a famil...