According to the inquiry of Jane's book, "you can indulge occasionally, but you can't decadent yourself" is a life attitude. It means to indulge yourself, not to lose yourself, but to release your pressure and emotions and let yourself relax and get rid of it. The decadent self is a negative emotional state, which will make people lose their enthusiasm and motivation for life and even affect their health.
Indulgence, Chinese vocabulary. Refers to connivance; No constraints; Do not obey the rules; No manners. Sui Shu officials biography of Su Jing: "It is said that if guests indulge, they will be brought to justice without mercy.