Something others haven't mentioned is better quality of life as you age. One of the biggest causes of decrease in life quality in the elderly is reduced mobilit

Something others haven't mentioned is better quality of life as you age. One of the biggest causes of decrease in life quality in the elderly is reduced mobility. As you age your muscle mass decreases. By increasing your muscle mass when you're younger (and able) and maintaining physical activity you will have a much better life when you're older.