Buddists have a concept they name impermanence about this. Its hard but you must learn to accept your own and that of loved ones.

I like this story

Kisa Gotami was the wife of a wealthy man of Savatthi. Her story is one of the most famous ones in Buddhism. After losing her only child, Kisa Gotami became desperate and asked if anyone could help her. Her sorrow was so great that many thought she had lost her mind. An old man told her to see the Buddha. The Buddha told her that he could bring the child back to life if she could find white mustard seeds from a family where no one had died. She desperately went from house to house, but to her disappointment, she could not find a house that had not suffered the death of a family member. Finally the realization struck her that there is no house free from mortality. She returned to the Buddha, who comforted her and preached to her the truth.

In the end I dont see death as something evil but as a nessesary part of life. When you are old and grey you will welcome it, I imagine anyone who live long enough end up accepting it.

I also suggest you listen to the movie : "Meet Joe Black", that illustrate my point perfectly.