Many people tell about strange experiences in connection with death. Why do SO

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Many people tell about strange experiences in connection with death. Why do SO many FEAR that there will be nothing after death and in consequence even invent some "soothing" stories?! How can one handle the fear of there being actually something (whatever) after death? What if your strongest feeling is fear of your life never really ending??! Is there an intellectual answer for that? (Sorry for my English: I'm Swiss.)