As a private music teacher to children of varying ages, it is not unusual to have students who are Girl Scouts. In fact, I don’t think that I’ve had a year where there wasn’t at least one Girl Scout among my young piano or horn students.

For several years, I would be approached about ordering cookies for myself. It’s hard to turn down a kid with an order form. But for the last few years, I have one family who has made it a point to give me a box or two of my favorite cookies. The...