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Don't take graphology too seriously. Graphologists claim to find traces of personality in handwriting. There's probably a grain of truth in this — we can all imagine what "energetic" or "careless" handwriting looks like, for instance. However, since these claims have failed every scientific test, scientists consider graphology pseudoscientific and ineffective.[1][2] At best these correlations are informed guesses with many exceptions. They're fun to find, but don't use them to judge job applicants or alter friendships.
Never trust anyone who claims they can tell a criminal or adulterer from the handwriting. This is not possible, and the accusations cause unjustified harm to their victims.