Hmmmm... the H-E-double hockey sticks incident... Was he written up and the others were not because the teacher corrected them verbally and then your son contradicted her? I can see this happening with my son frown

Re modeling conversation flow--cool idea! Maybe that's some kind of artificial intelligence topic. Maybe we could write a "free-association program" where you input a topic and then there's some probability that it will jump to a related topic...