Consider following reasons :
1. Everyone must die…
2. The remainder of our life span is decreasing continually.
3. Death will come regardless of whether or not we have made time to practice the dharma.
4. Human life expectancy is uncertain.
5. There are many causes of death.
6. The human Body is very fragile.
7. Our wealth cannot help us.
8. Our loved ones cannot help.
9. Our body cannot help.