Not death this: all your pets die and you find out your adopted. Then you get a bf or a gf then the next day they don't die the break their spine and never walk again. Then you live the rest of your life in a deep depression and never reach heaven. ( it's not death because life here is only the start of it when you die and go to heaven that when you start living!)
The fact that it goes on relentlessly hunting you down until you all your joy and hope for something better has been extinguished into numbness and no longer wanting to go on. The tragedy is that once your life has become full of pain and sadness life will go on and show you how the world continues on without your existence like you never mattered.