Curtis Jackson

You have to challenge yourself and your muscles. When you are really regimented, it's the same over and over and you start to get comfortable. Switching up the style of training works your muscles differently.

When I have a creative insight, there is a high. I think back in the day, I made music as much as I did because it made me feel so good. I think you could argue that there is a creative addiction - but, you know, the healthy kind.