Ah, poor Lily. She meant well and got laughed at and inadvertently made poor Remus puke.
*shakes Dumbledore* It looked like he was going to be fair for a minute there, and then the three of them get off with only ten points total while Snape, who has every reason to expect they'll do something to him, loses 20 for petrifying them? Bleh. It would've seemed reasonable if they'd at least lost 10 points apiece, but he's just gone and reinforced that Snape will never get an even shake. *shakes Dumbledore some more*