No one wants to die. Even people who want to go to heaven don't want to die to get there. And yet death is the destination we all share. No one has ever escaped it. And that is as it should be because Death is very likely the single best invention of Life. It is Life's change agent. It clears out the old to make way for the new.
The private interest of the individual would not be sufficiently provided for by reasonable and cool self-love alone therefore the appetites and passions are placed within as a guard and further security without which it would not be taken due care of.