User blog:Noramehablia/why natsu doesn't remember anything

why doesn't he remember anything about his family and everything and does zeref know igneel he said that natsu raised by igneel was just a plan made by zeref, anna, and igneel and about natsu scarf why did anna knitted it for him and natsu was saying that igneel gave it to him why can't he remember that anna is the one who knitted it??