"There's actually some sort of weird enjoyment that you get from being so dead tired and then pushing through," he says. "Every single person who's ahead of the game further than you know that they're quitting when they get tired" He also talks about how we all have a negative voice inside our heads which tells us to put off what needs to be done until tomorrow. 'I'm saying don't be a weak little bitch' is his advice for successful people.