● do not maintain or modify "some" self-image without scruples in front of others, but avoid others' eyes and ears to "behind the scenes".

1. Don't tidy your clothes in front of others. Such as unbuttoning, putting on and taking off clothes, wearing a tie, lifting pants, tidying underwear, pulling long silk stockings, taking off shoes and making insoles.

2. Don't dress up in front of others with a cosmetic mirror. Such as combing hair, shaking dandruff in communication with others; Make up in public.

3. Don't "pick up" yourself in front of others. Such as those who make a fool of themselves in public, picking their nostrils, ears, rubbing dirt, scratching, picking their teeth and shaking their legs.

4. Politely handle uncontrollable grooming behavior. If you sneeze, blow your nose, yawn or cough, cover your mouth and nose with a paper towel, face to the side and say "sorry".