Final answer:
The character becomes a 'new man' on the face of the earth by undergoing a significant transformation in his personality.
Step-by-step explanation:
The difference mentioned in the text makes the character a 'new man' on the face of the earth by undergoing a significant transformation in his personality. In the text, Joaquin changes his beliefs and attitudes, telling himself that he is becoming stronger, healthier, and sharper. This change in mindset allows him to overcome cognitive dissonance and realize that he is growing through his challenges. As a result, he feels better and no longer experiences discomfort.