1. Idioms that describe being in a good mood and being in a bad mood? Second, be happy with yourself? Third, on the surface, it is better to be with a person, but secretly. ...

2 No desire, no desire, happy smile, detached from self-satisfaction (conscious happiness and satisfaction), detached from self-escape (leisure and happiness).

There is a knife hidden in the smile, but there is something different in appearance. Man and beast, hypocrisy and arrogance.