I am strong and powerful.

Physiotherapists don't measure strength by maximum lifts. They ask how many times you can rise from a chair, how far you can carry a bag before you swap hands.

Endurance under ordinary load is the honest measure, and by that standard most people are considerably stronger than their self-image allows. You have been carrying something for months. You set it down at night and pick it up again in the morning without discussion.

Powerful is a quieter word than it sounds. Today it looks like continuing, on a day when nobody would have blamed you for stopping.