Re: Severus, Caitlyn Because I don't want to. Was his first instinctive response, but he swallowed it down as he looked back up at her more intently.
"Well, because you hadn't asked me to," he said finally. "And because normally I don't make a habit of teaching things those sorts of things to people." He was rather private about his discoveries. They were his, closely guarded. Not to mention that he didn't like many people to start off with.
"What would you be willing to offer in exchange?" he asked carefully considering the offer.