Will not call, e-mail, mail or do anything to tell you it is coming (unless you're on death row or something like that). The reason why we need to live our life to the fullest. It will not solve all your problems, but it will definitely end them all regardless of what you did.
Stranger: you know that thing's gonna kill you.
Me : yea
Stranger: then why do it?
Me : do you know when you will die?
Me : there you go. death will come knocking on your door when your time comes. for the time being, enjoy life!!