• Uneven noise
  • Crowded room
  • Loneliness or separation from a partner
  • Hunger
  • Infection
  • Become moody and irritable
  • Lose your temper very often
  • Feel depressed
  • Lack of sense of humor
  • Feel nervous
  • Feel inferior of what you have
  • Worry too much about unimportant matters
  • Forgetful
  • Confused
  • Having poor of judgment
  • Disorganize
  • Unclear perceptions