This part at the beginning had me rolling!
"Ooh, you look much tastier than Crabbe and Goyle, Harry," said Hermione, before catching sight of Ron's raised eyebrows, blushing slightly, and saying, "Oh, you know what I mean - Goyle's potion looked like bogies."
Then...
"He felt like asking them to show a little more respect for his privacy as they all began stripping off with impunity, clearly much more at ease with displaying his body than they would have been with their own."
Six naked "Harry Potters" (including Hermione and Fleur!) strutting around the room and checking out his body with absolutely no sense of modesty. Hilarious!!!

I <3 JK Rowling.