A soft half-roar came from Severus' throat, a strangled laugh he hadn't meant to let out. "I'm sure he would be delighted to add the subject." he said, thinking about Dumbledore, the man was nothing like any other who had been in his position before, he could easily accept the most unusual proposition. "Mostly if you'll add a practical lesson to it." he wondered if the headmaster would find time to be there, he was rather sure he liked wine alright.