"I thought she would never shut up, James. Ever. I don't think she took a breath once. I don't see how they're related, your mum and mine."
Sirius wants to act more excited but his ears are still red from the boxing they took. He looks at James, all excitement and happiness because he's going to the 'home of the brave' or whatever the lions said about themselves. Sirius, he's going to Slytherin. What fun.