Fact be known, there are many kinds of age: real age, biological age, mental age, social age and etc.
Some people look older than their real age as their biological age is more than their real age.
Some people are wiser than their real age as their mental age is more than their real age.
However, only real age can be quantified.
Some people look older than their real age as their biological age is more than their real age.
Some people are wiser than their real age as their mental age is more than their real age.
However, only real age can be quantified.
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