This document summarizes how the presenter's life is like a moving train in 3 main ways: 1) Their life is always moving forward just like a train, encountering obstacles at times but ultimately keeping moving towards their destination. 2) Sometimes their life feels like it is moving too fast or they are unsure of where it is going, similar to feeling on a moving train. 3) Their life is constantly in motion just like a train, not knowing what is ahead but continuing to adapt and move forward despite challenges along the way.