(Disclaimer: not all of these I agree with.)

• Saying “yes” to everything
• Negative self-talk/self-criticism
• Back down when opinions are challenged by others
• Being indecisive with simple decisions
• Fearing failure
• Taking constructive criticism personally
• Sweating the small stuff
• Afraid to share your opinions in a conversation
• Giving up too easily
• Comparing yourself negatively to others
• Slouching
• Fidgeting
• Claiming your successes are just luck
• Buying things because others like them, not because you like them
• Social withdrawal
• Excessive preoccupation with personal problems
• Letting fear stop you from trying new things