Lifehacker: Help Your Anxious Kid Prepare for an Event With Youtube Videos. “Nowadays you can find a video for just about anything your kid is about to experience, whether it’s go through TSA, ride the subway in New York City or visit the dentist for the first time. Pictures and maps can help, too.” Why limit this to kids? Recently I traveled alone by train for the first time in over ten years. I watched several YouTube videos of Amtrak rides and vlogs so I’d have some idea of how things worked. Recognizing much of the process as I experienced it made me more comfortable.