How do old people have the drive to keep living? They have no other options.
What is their drive? To get to the other side.
When old people break down in some areas, is it their fault? No, it is their cost to keep living.
Why do old people get grey hair? An easy way to decipher one of many traits of wisdom.
Skin color is quite literally the surface. The true answer lies within, in the heart of battle.
Every denizen living among us is alive for a reason, whether or not you wish they do.
If they no longer serve a purpose in the mortal coil, then they simply transcend to the next coil.
This applies to all living creatures, not only humans.
Eradication, Extinction, Genocide, Obliteration.
All are possible outcomes in the complex laws of cycles.
The cycle of life and death continues; we will live, they will die.