So the irrational part of my brain decided that the only way to solve this problem would be to buy a pet.

所以我大脑不理性的那部分决定，要解决这问题只能买只宠物了。

We know that we can be much more effective at improving health behavior if we work with the irrational parts of our nature instead of ignoring them or fighting against them.

我们知道，如果我们处理我们本性中的非理性部分而不是忽视或对抗它们，我们可以更有效地改善健康行为。

The horrors of World War One had led many  people to re-examine human nature and society at large. Popular artistic movements, such  as Surrealism, Expressionism, and Dadaism, focused on the emotional, irrational,   and absurd parts of human life.

第一次世界大战的惨烈让许多人重新审视人性和整个社会。流行的艺术运动， 如超现实主义、表现主义和达达主义，关注人类生活中情感、非理性和荒谬的部分。