The kids keep us young. They keep us on our toes. Thanks to them, we know what’s bussin’, what slaps, and that if you mess up royally—you’re officially canceled. This trip to San Antonio was one of the first vacations we’ve ever taken without driving ourselves. No rental car. No 20 hour road warrior run. Just flights, feet, and the occasional Uber. If it weren’t for the fact that Alida’s boyfriend’s family was staying  on the opposite end of San Antonio, we probably wouldn’t have gone much farther than the airport and our hotel. But that gave us an excuse to see more of the city than just downtown—and downtown San Antonio, by the way, is incredibly walkable. Surprisingly peaceful for a city of its size. You don’t feel like you’re in constant danger of being honked at, mowed down, or asked to “move your vehicle, sir.” I already had the Uber app on my phone from a recent Chicago trip, so getting around was a breeze. I even managed to send Jamie across town solo one day while I stayed...