I don't think there is a beginning or an end to life. There is simply one moment you are alive, and another you are not. Dying itself is fictitious.. you are either alive or you are not. Time itself may be an illusion, the past and future do not exist except as fictions in our mind. Only a never-ending 'now' is truly the only thing that exists is what I believe.
So I don't think life necessarily implicates death or death implicates life. Death exists, but dying doesn't just like 'becoming alive' doesn't.

Edit: Worrying about death is nonsensical too in a way: you'll never experience it anyway. By the time you are dead, you are no more, so the experience is lost on us