 That all changed, though, a few weeks later, during one of our typical morning commutes, when I saw an express D train roll into the station. In an attempt to minimize our commute time, I immediately bolted off the F train we were on. Surprised, my mom quickly ran after me, only for the subway doors to automatically close with her still inside. I turned around, shocked with the realization that I had left the train without her. As her subway car slowly moved away, she mouthed,