Jamie is a solicitor (or legal scholar or something like that) who likes his cases laid out with facts, and logic, and step by step clauses.
Brain is an actor. Who enjoys feeling on different cloaks, possibilities, characters and whatnot. He enjoys making cases by trying them on and seeing how the scum!player or town!player feels to him.
So I refer you two to the very very helpful words of Bob Newhart on Mad TV:
