Once a habit is formed, it is difficult and sometimes impossible to shake it off. Some bad habits formed in childhood may remain lifetime.

一旦某个习惯养成，就很难改掉甚至改不掉。一些在小时候养成的坏习惯可能会伴随终生。

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And as anyone whose mother tongue has a gender system will tell you, once the habit has 20 taken hold, it is all but impossible to 21 shake off.

所有讲这种给事物定阴阳性的母语的人都会告诉你，一旦形成了习惯，你就不可能摆脱它的影响。

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