Peter covered his mouth and laughed. "You can't be serious?" he blurted. Hestia always seemed so prim to him, and he couldn't imagine her slipping into the Prefects' bathroom with the idea of hosting a party. "You were lucky it was your brother, yeah?" he asked, laughing at the mental image. His brother Paul would have snitched him out to his Head of house most likely.
"My favourite memory isn't as adventurous as yours," he said and scooped in a mouthful of rice. "I was going to say it was when I won the Gobstones tourney at school, but now it sounds rather...dull." He smiled at her.