Sometimes hitting yourself with a hammer can be a good thing. It depends on what you know and how it is being applied. For example, when your treating your head

Sometimes hitting yourself with a hammer can be a good thing. It depends on what you know and how it is being applied. For example, when your treating your head as a nail and coming at is a doctor who specializes in the treatment of acne, your likely to get fairer skin. The only reason the hammer is harmful in this case is because he isn't using the right hammer for the job. </satire>