Like it or not, physics plays a major role in defining what you might look like. Here on Earth, two physical forces—gravity and time—are responsible for one of the most obvious effects of aging: droopy, sagging skin.
For many men and women, this loosening of the skin is a major cause for concern. Seen as a reduction of their physical beauty, this sign of aging can cause some people to feel less confident about themselves and frustrated at their helplessness against the ravages of time.