Our first birthday party for our son didn’t happen until he turned three. His first birthday was overshadowed by a battle to help my mom beat cancer. His second birthday was trumped by the one-year anniversary of her death. But by his third birthday, the timing finally felt right for a celebration. To my surprise, his train-themed party completely changed the way I thought about birthdays. I remember my mom throwing fun parties for me as a kid. It seemed like a breeze to host