Half of the time I look forward to my death, it doesn’t scare me since I don’t see the real point of my life, what scares me is if my agony would be slow and painful.
But then what? I just stop existing and it’s like I fell asleep? Do I see light? Darkness? Nothing? What is nothing?
Additionally, every neuron fires as your brain gives out, so during that personal eternity your life is “flashing before your eyes”. If this reflection on your life fills you with contentment, that is heaven. If it fills you with shame and regret, that is hell.