Definice a Význam "a man is as old as he feels himself to be"

What is the origin of the proverb "a man is as old as he feels himself to be" and when to use it?

The origin of the proverb "a man is as old as he feels himself to be" is unclear, but it reflects a common belief in many cultures that a positive attitude and good health can keep a person feeling younger, regardless of their actual age. It highlights the importance of maintaining a positive outlook and staying mentally and physically active, as age is largely a state of mind. This proverb encourages people to focus on their health and well-being rather than being limited by the number of years they have lived.