Believe it or not, you've already got the perfect six pack. You just can't see it because it's covered with a layer of belly fat. Strip away that fat, tone up the underlying muscle and you'll be ripped beyond your wildest dreams.
If you always put limits on everything you do, physical or anything else, it will spread into your work and into your life. There are no limits. There are only plateaus, and you must not stay there, you must go beyond them