This afternoon, I scrolled back to September 9, 2017. I found a picture of myself at the park with my daughter, who was still a baby at the time. I was a brand-new mom, still trying to understand what motherhood would mean for me. Nine years don't sound like a long time when you say it in your head. It feels different when you can actually see those years in pictures. You notice who was around, what you were wearing, and where you were going. You also start to recognize little pieces of a version of yourself that you may...