“You’ve got to be kidding me.” I sighed, while opening the suitcase I thought was mine. I just got back from my trip to Texas, and ended up grabbing someone else’s pastel yellow suitcase. Somebody just had to have the exact same luggage set as me. The only visible difference was that their zipper was broken, and mine was not.

I examined the case, hoping to find a phone number or name, but was un...