On nerves and internal plumbing

Can somebody tell me how come nerves and limelight and stagefright and bladders are so directly connected?

(No. I didn’t wet myself, I just always have to run for the loo right before anything important happens)

Quote: Can’t v. will…

Remember:

The people who say you can’t are probably the ones most scared that you will.

– apparently Usher (though I think I’ve heard/read it from other sources…)