"You're kidding," Parvati said with a frown, studying her friend's face. As she continued, however, she realized that she wasn't. "You're not kidding? The detention was to use it on each other? Or him on you?" She was having a difficult time fully understanding it - it didn't make sense, the curses were called Unforgivables for a reason.
"Lav, oh... I'm so sorry. Do you want... I've been working on healing charms? I could take care of your cheek. And... Unforgiveables... I don't... it's crazy. I don't even know what to say."