Character acts suspicious:

• Nervousness from fear of being caught, accused, or exposed
  
  
• Heavy consciousness, causing mental strain
  
  
• Overthinking or inner monologue trying to justify their actions
  
  
• Discomfort at being questioned about their actions or decisions
  
  
• Anxiety at others seeing through their facade and lies
  
  
• Hyperawarness – paying attention to surroundings, repeating actions like looking behind them and constantly checking their phone, and noticing every little thing that can be a threat to them
  
  
• An inner battle to confess what they have done and maintain their innocence
  
  
• Bracing themselves in case they are exposed, coming up with backup plans and lies to cover their tracks
  
  
• Internal panic if someone touches the subject they want to avoid
  
  
• Shame after they finally realize what they have done and how they will have to face the consequences if they are caught
  
  
• Strong reluctance to avoid talking about anything related to what they have done (ex, if a spouse cheats, they will avoid all conversations about cheating)
  
  
• Fear of losing things they have in cause their truth comes to light
  
  
• Projecting their own guilt onto others, especially those who suspect them
  
  
• Gaslighting the people who are close to learning their truth
  
  
• Frustrated or burst of anger when talking to the person they have hurt through their actions
  
  
• Changes to their routine schedule
  
  
• Behavior that differs from their usual reactions to a certain situation
  
  
• Overanalyzing everything they do out of guilt or fear of making another wrong decision or mistake
  
  
• Regretting the decision they made before or after getting caught