There is a scene from When Harry Met Sally (Best Movie Ever) when Sally is in the middle of a good, fitful, pitty party over news that her ex is getting married. Crying, and defeated, she laments to Harry: ... And I’m going to be 40 …

This summer, we had the chance to babysit our nephew for a couple of days while his parents took a well-earned, albeit brief, mini-vacation. With our kids now well into their teens, it has been a solid 13 years since we last had a toddler in the house. God bless them, my brother and his wife managed to look past this and trusted me when I told them that “we’ve got this,” pointing to our 19-year track record of parenting, my husband’s M.D., and 4-on-1 defense with two teenagers on hand to help us corral a toddler and keep him entertained, safe, and happy while his parents were away. And we did all right … aided in no small part by the fact that my 2-year old nephew sensed our lack of recent toddler experience like an animal smells fear, and drew on every “big boy” ability he had at his disposal to rise to the occasion. In short: The kid went easy on us.

June is a month littered with milestones. It marks the end of the school year for some, graduation for others, and a big month for exchanging vows. In our family, the first week in June included ninth grade graduation from middle school for our son, and moving our daughter out of her dorm room marking the end of her first year of college. Those doors were barely closed behind them before they started to move on to what is next.