Answer:
In early adulthood (ages 20–40), our physical abilities are at their peak, including muscle strength, reaction time, sensory abilities, and cardiac functioning. The aging process also begins during early adulthood and is characterized by changes in skin, vision, and reproductive capability.
Explanation:
Generally it can either be ones feelings about oneself or ones past experiences, usually the two link in some way
To bike 10 miles in one stretch by the end of the month