What does old act young brag about?

1 After 30 years old, men are busy pretending to be mature, while women are busy with act young.

2. Always be young, always be act young, never be grateful, and always shed tears.

To sum up, many people pretend to be mature when they are young, but they are actually older than act young.

Boys are mature because they don't know act young. Boys are naive, but they don't know how to pretend to be old.

Young women often say that they are old, but old women try their best to pretend to be young.