Besides acupuncture, this is the one item here that really does have empirical value-though it's more of an art than a science. You certainly can't change your personality by changing handwriting styles. Handwriting is more like body language-it is an unconscious display of cultural background, personality and emotional states. Handwriting analysis has been used, quite effectively, as a method of personality analysis. The most accessible book on the subject is Huntington Hartford's You Are What You Write.