Yu Youzhen, a Chinese millionaire, works as a street sweeper for the sanitation department to set an example for her children.
11
The first man to swim the length of Great Britain grew a beard to stop jellyfish stinging his face.
16
Women rate men more attractive if other women are looking and smiling at him.
17
Only 2% of the worlds population is blonde.
15
40% of people who are rejected in romantic love slip into clinical depression.
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