There's a story behind every person. There's a reason why they're the way they are.
每个人背后都有一个故事，每个人之所以成为现在的样子，都有他们自己的原因。
知识点：reason的相关短语
1. beyond all reason 不合理的，不理智的
Their demands are beyond all reason. 他们的要求完全是不合理的。
2. within reason 合乎情理
He'll do anything for me within reason but he won't break the law.
在合理范围内他会为我做一切事情,但他不会违法。
3. lose reason 失去理智，发狂，发疯
Don't lose your reason however excited you are. 无论你多兴奋都不要丧失理智。
4. see reason 明白道理
He saw reason and gave up smoking. 他听从了劝告而不抽烟了。