He did n't want to have bad breath when he kissed Jack later that night . He thought about the packed bag in the back seat of his car and hoped that he had n't been too presumptuous in thinking that Jack might ask him to stay for a day or two . He smiled to himself .

Question: Why did he smile to himself ?
Answer: None of the above choices .He was happy because he got a raise at work .He was happy that he remembered to pack his lunch .He was looking forward to seeing Jack .