of human's face showing the lip and nail biting disorder, bfrbs symptom. flat

bfrb bfrbs nail bitting scabs disorder female lip mouth mental health symptom anxiety stress person worry behavior body trichotillomania teenager young adult awareness urge irresistible people treatment help reduce stop focused distress relieve tension bored emotion teens depression ocd stressful trigger flat vector healthy quirky damage face isolated human's showing biting repetitive behaviors symptom