 Radio Lab is supported by BetterHelp, committed to supporting mental health through therapy. Clients are matched with one of 35,000 therapists and can communicate via video, chat, or phone at betterhelp.com slash public. Later today on This American Life, Bowen thinks a huge part of who he is can be traced back to a moment before he was even born, when his dad met this guy named Dave at the Oklahoma City airport. So one day, Bowen calls Dave.