The Exclamation Point. Don't use it unless you must to achieve a certain effect. It has a gushy aura, the breathless excitement of a debutante commenting on an event that was exciting only to her.
One of the peculiar sins of the twentieth century which we've developed to a very high level is the sin of credulity. It has been said that when human beings stop believing in God they believe in nothing. The truth is much worse: they believe in anything.
