What is it that you feel, when you feel I?
What do you do when somebody says pay attention?
What is the difference between looking at something and taking a hard look at it?
What is the difference between hearing something, and listening intently?
Whats the difference between waiting for something and enduring it?
When you endure, or control yourself you pull yourself together, physically.
if you tighten up or pull yourself together, you are constricting yourself.