In March 2022, when our daughter was just four months old, Matt and I took her on her first international trip. We had two British Airways vouchers direct to London (remnants of a canceled Covid trip) and I was still basking in the freedom of maternity leave. Day 1\ We left the United States with a few things in tow: a travel stroller, a diaper bag, one huge suitcase filled with all of our clothes, and a whopping dose of optimism and naïveté. I find that those two latter items were some of the most important things we brought with us for two weeks traveling the UK with our sweet…