Noun
inhibitions - A feeling of self-consciousness or restraint that prevents someone from acting freely; a psychological or social barrier that limits a person’s behavior or expressions.

His inhibitions kept him from speaking up during the meeting, even though he had great ideas.
aura - The distinctive atmosphere or quality that seems to surround and be generated by a person, thing, or place.

She was immediately attracted to the aura of light and peace that seemed to emanate from him, though she realized this required validation and investigation.