Gatsby arranges for a party and when Nick comes to the party, a new buttler sends him away. Nick is honest and tolerant.
Nick was attracted by the fun-filled life in New York but also felt that life was ugly and damaging. he is attracted by her vivacity and sophistication but does not like her being dishonest.
There is some internal conflict in Nick. In the end, he moves to a quieter place that has more traditional values.
When the narrator said "Grandfather believed that a well-rooted tree was the color of money", he meant that the tree gave Grandfather food for him and his family to survive.
