I am your new step-mom. Now that I am head of this household, things are going to change. I won't tolerate any filthy, perverted behavior under my roof. The first thing we'll address is this nasty little stroking habit of yours. I know you know what I mean: I caught you jerking yourself furiously last night and that won't do! I need to make sure you're masturbating the *right* way. Strip down, young man! I'm going to tell you how to properly stroke, and watch you touch yourself to my instructions very, very closely...