The ideal attitude is to be physically loose and mentally tight.
Start where you are. Use what you have. Do what you can.
Regardless of how you feel inside, always try to look like a winner. Even if you are behind, a sustained look of control and confidence can give you a mental edge that results in victory.
One important key to success is self-confidence. An important key to self-confidence is preparation.
From what we get, we can make a living; what we give, however, makes a life.