I left my 3-year-old at home for a weeklong cruise with my parents. It reminded me I'm still their daughter, too.

The author left her toddler at home to travel with her parents. Courtesy of the author I live in Denmark, while my parents live across the Atlantic in Connecticut. Most of our visits now revolve around my 3-year-old son and their role as grandparents. Traveling without him gave me rare time to…