When we were traveling, my daughter leaned down and said, “Dad, I think I just got my period.” I handed her the emergency pad I always carry with me, and she dashed to the lavatory. A few minutes later, the flight attendant approached and remarked, “Sir, your daughter inquired whether you had a real pad. She claimed you gave her a liner.

I turned blazing red—I didn’t even realize there was a difference! Fortunately, a friendly woman sitting close offered her own. When my daughter came back, she thanked both of us and said, “Next time, bring both.” And now, I always do.