How I see the death

About 3 months before this post, I saw the death of my grandfather, literaly I saw he's death, and that was traumatic for me, so I began to reflect about that, and for me the death isn't the end of the life it's more, you can say oh captain obvious, but I don't know how to explain the case but, when you experiment that situation it's like a roller coaster of emotions, and you only can think about that and thats feelings follow you and you feel useles, so the death from near people it's like a stab in your heart who stay hear forever and the only thing that you can do it's acept that