Death is a system failure of the human body organisation.
Even the brain and heart dont die at the same time.
My body cells have been dying and being born every day. Im not even aware. When I die, different cells will die at different times. The little bacteria atmas and little cell atmas dont leave their bodies at the same time the human atma does. They have their own life span and karma.
In fact my eyes might live longer in another host body.
Lots of old appliances at home have been quietly failing and refusing to start or run. No fuss. No noise. Just stop running. One fine day this body will also, just stop. Most of the apps have lasted way longer than their peers. So maybe I’ll last till I am 120 OR 400 or something. But someday, it will stop. Just like that. And I wont know it. I may know dying, but I will not know death.
A series of happy moments make a long happy life. Thats all it takes.
I won’t know being dead. All I will ever know is being alive. Yay!