Why did Wen Juan cut his hair?

In the movie Eliminating Violence, Wen Juan cut her hair to give herself courage, because she knew she was going to run away. Wen Juan was very scared. Cutting your hair can give you a psychological hint and make you brave.

In the movie, Wen Juan is Zhang Ying's wife. She knew that Zhang Ying was a bad man and killed so many innocent people. But Wen Juan was dead set on Zhang Ying. Even so, she had to follow Zhang Ying. When Zhang Ying was wanted, Wen Juan was willing to leave everything behind and run away with him. It can be said that Wen Juan really fell in love with Zhang Ying.

Devoted himself wholeheartedly to Zhang Ying, and became pregnant with Zhang Ying's child. Later, when he was caught by the police, he even committed suicide by swallowing a gun in order not to become a weakness of Zhang Falcon. Wen Juan and Zhang Ying met because of a fortune-telling, and their future destiny was closely linked by a fortune-telling. However, the final outcome of Wen Juan is easy to predict. Zhang Ying killed so many innocent people, he will certainly come to no good end. In any case, Wen Juan can't spend his life with the person he loves.