fix this run on sentence:Gordy gives Arnold a book by a Russian author named Tolstoy and the first sentence is about how all happy families have the same kind of happiness while all unhappy families have different kinds of unhappiness but Arnold disagrees with Tolstoy because Arnold knows that all Indian families are unhappy for the same reason and that reason is alcohol.

Gordy gives Arnold a book by a Russian author named Tolstoy. The first sentence is about how all happy families have the same kind of happiness, while all unhappy families have different kinds of unhappiness. However, Arnold disagrees with Tolstoy because he believes that all Indian families are unhappy for the same reason - alcohol.