Justin gave him an appraising look. "You're mmm...fifteen? Fifth year, little one?" He was glad for something other than the past year to talk about. "Oh, I think my nine OWLs speak for themselves." That appraising look grew more intense. "I think you're a bit young for...my tastes, so we shall keep it on a strictly professional level, of course. But we will start tomorrow, won't we?"