Answer:
In my view ,the Author is shares this in the very beginning to describe the life of young vincent he always felt that after his brother left things can never goo back on the way as they were before he feels that his brother was perfect and will always remain as a rightful person in the herts of his parents.
he is feeling very depressed he does not know whether he is going on right path or not . he always feel like a person from out of this world the author describes this feeling also as a lonely person people who experience life and death accidents in their life change automatically ................. the life of yong vincent also changes after his brother dies