The answer is: The pause must be used expertly in order to be effective.
According to Mark Twain, the pause is a significant literary element that must be used with proficient knowledge to be adequate. Because it has a subtle meaning, the pause must possess the accurate duration. Otherwise, if it is too long or too short, it is unsuccessful and the text might require a great effort for the reader.
I believe it is C-available by prescription but I am not too sure. Cocaine is used by physicians and for other medical purposes so it could be prescribed.
