I think what is British about me is my feelings and awareness of others and their situations. English people are always known to be well mannered and cold but we are not cold - we don't interfere in your situation. If we are heartbroken, we don't scream in your face with tears - we go home and cry on our own.
When you come up with a theory, you fall in love with the beauty the simplicity and elegance of it. But then you have to get a sheet of paper and pencil and crack out all the details. Hundreds and hundreds of pages. Because you have to prove it.