"You're frustrated. You put in a lot of work to get back, you do everything you're supposed to do and you go through the trial period, can you do this? All the doubts, being down on yourself. You get through all that and then to have it happen again, it's frustrating and it's back to the beginning," he said. "You try and get as good as you can that day. You look back and eventually it's three months down the road or whatever."