"I can think of better things to do than calculate probabilities," he said with a bright smile. "None of them involve doing any thinking save for 'where's the lube?' or 'which position?'."
"So intent-based," he said. "I don't know much about them but surely the Malfoys have books that might cover the topic? I can look in the home library but I can't remember coming across any."
He grinned and ruffled Stephen's hair just to be irritating. "It's a different kind of hot, you prick. You light up when you're like this. It's weird but... Good," he said. "This makes you happy- Maybe not curing an unknown curse but the research part. I knew it - you've told me before - but this is the first time I've seen it."