Related Clues:

• Muscle spasms
• Uncontrollable muscle movements
• They might be nervous
• Odd behaviors
• Some poker tells
• Motor problems
• Nerves may cause them
• Personality quirks
• Random muscle movements
• Recurrent traits
• Small spasms
• Nervous signs
• Stress symptoms
• Rapid blinking and hand flapping, for two
• Obsessive behavior