I like to take these unusual characters and then make them as normal as possible, because we all know that the tragedy and the abnormal always hides itself behind the normal.
The Greeks already understood that there was more interest in portraying an unusual character than a usual character - that is the purpose of films and theatre.
Sometimes you don't really understand the characters you do. I don't need to. Most of the behavior is obscure and I don't mind that. On the contrary, it's a fuel for me, to find out who the character is. As the spectator is finding out, I find out about the character myself.