overconscious

/ˌoʊvərˈkɑnʃəs/
adjective
  1. Excessively aware of or worried about something, especially one's own actions or appearance.
    • He became overconscious about his posture after the coach's comment.
    • She was overconscious of her accent and spoke very quietly.
    • Being overconscious of what others think can make you feel anxious.