"It's very difficult to fool a group of people into, you know, positive thinking. What's the secret or the secret book, right? That's where it's like, hey, it's all coming," he says. "If that's what you believe other people are going to get on board with that and you really are going to have a totally different attitude going into it as far as the PTSD thing." He adds: "I appreciate life more because I know that life can be lost very easily"