PSYCHOLOGY FACTS 👇 1. If a person starts shaking their leg while sitting, they are intelligent. 2. If you talk to your pet like a person, it means you have a big heart. 3. Being messy is a sign of a creative brain at work. 4. If a person talks to themselves often, they have a sharp mind and deep thoughts. 5. If someone prefers staying quiet in a group, they are usually the smartest observer. 6. If someone laughs at dark humor, they have a high IQ and advanced thinking skills. 7. People who over