Recently, I was on a flight home sitting quietly in my seat as a mother of a toddler, probably around 2, came down the aisle to sit in the row behind me. The mom struggled to navigate the narrow aisle, diaper bag, and carry-on draped over her shoulders, pulling her toddler behind her in a car-seat stroller down the aisle. The toddler seemed content, with a bottle on her lap, just waking…