How does Something New develop the theme of Health and Self-Improvement?

Something New by P. G. Wodehouse develops Health and Self-Improvement across the chapters the companion marks for this theme.

Physical fitness and dietary reform are recurring motifs, with Ashe's Larsen Exercises and Mr. Peters' struggle with indigestion symbolizing the pursuit of personal transformation and discipline.

Ashe's dedication to morning exercises and physical fitness is a central motif, contrasting with his professional dissatisfaction.