Describe patience in concrete sensory detail

Patience is a clenching of your chest as time goes on, followed by a calming of the nerves from the top of your head downward.  At first, the whole thing can be unbearably painful, a pinching in the sides of your arms as the thing you want is out of your reach.  Tolerance builds, however, and with time and repetition, the pinching dies down.  Perhaps it even goes away.  I wouldn’t know.  I’m not very patient.

Other staples of the early onsets include a vibrating in the toes, one that no one can be sure if it’s intentional or reflex.  After all, one is apt to pace when they’re impatient… oh dear.  I’ve spent this paragraph talking about how impatience feels rather than patience.  Have I been doing that this whole time?