Post-traumatic stress disorder (PTSD) really hit him hard. If he didn’t do something about it, it would become a slippery slope he couldn’t climb back out of. Eventually, it struck him that his only wise choice would be to seek help. After serving his country in the Canadian Armed Forces for many years, Otto Castillo faced the challenges of PTSD. Source: https://www.youtube.com/watch?v=wBxzXH7O4Ec