第一，本人的个性特征是引发脑神经衰弱的原因之一。

First, my personality is one of the reasons lead to debilitating brain.

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第三，长期情绪压抑也会成为导致脑神经衰弱的原因。

Third, the long-depressed brain will also become a leading reasons for the weak.

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第二，大脑长期过度紧张很容易成为引发脑神经衰弱的原因。

Second, the long-term brain caused by excessive stress can easily become reasons for the weak of brain.

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