Then suddenly the singer threw up his face, straightened his tubby figure, rose upon his tiptoes, and with wagging head and scarlet cheeks emitted such a howl as the same dog might have given had his growl been checked by a kick from his master.This part shows that the author mock the simge as he depiCts him like a dog.The clue here is wagging/howling just like a dog
Tom goes to the party to keep an eye on Daisy. He wants to see how she acts around Gatsby
