Quite like a film's script.You can mostly predict the end

I was wondering how one can really predict the behavior of others by just applying a little bit of logic and rationale.for example , its so obvious that when you go for shopping to a store with an empty hand and a small wallet in your hand which is hardly visible, the staff barely pays any attention to your queries assuming you to be a window shopper, perhaps this being a part of their training.On the other hand if you carry a shopping bag esp one with the brand name printed on it of either their next door shop or even more convincingly, of their competitor, they treat you with such immense enthusiasm as is possible knowing you are a potential customer most likely to empty your pockets at their store.It's all quite amusing :)

Similarly if in a class at the college you keep a serious face, maintain a forward leaning posture, concentration on your face (regardless of the eccentric day dreaming), direct eye contact with the professor during a lecture, and a pencil in one hand and the other hand on the notebook, it's quite likely that the professor might take you as one of Einstein's offspring and assume you are the next nobel peace price winner with the highest I.Q  to be ever recorded in his whole career.