There is no reason why love shouldn't cross the age barrier.

爱情没有理由不应跨越年龄障碍。

《柯林斯英汉双解大词典》

By studying MRI brain scans of people newly in love, scientists are learning a lot about the science of love: why love is so powerful, and why being rejected is so horribly painful.

通过对刚谈恋爱的人的核磁共振大脑扫描图研究，科学家们了解到了许多关于“爱”的科学：为什么爱是那么强大，为什么被拒绝是那么的悲痛。

youdao

If you love each other, why not get married?

要是你们彼此相爱，干吗不结婚呢？

《牛津词典》

Taylor Swift said: "Nashville is my home, and the reason why I get to do what I love.

VOA: special.2010.05.17

Why call attention not so much to the difference between "few love her" and "none praise her" as the notion that none praise her?

他为什么要让大家注意到,“没有人赞扬她“和“几乎没有人爱她“,的区别呢？

耶鲁公开课 - 文学理论导论课程节选

That's why I think it's important to buy things that you, yourself know about and actually love,

所以我觉得要买你自己了解和真正喜欢的东西，这很重要，

关于购买艺术品 - SpeakingMax英语口语达人

Why love Blair and loathe Mandelson?

ECONOMIST: The meaning of Mandelson

Keeping his musicians on their toes, LSO bassoon player Rachel Gough notes that "no two performances are ever the same with Gergiev, and from the rehearsal to the concert, the differences can be absolutely enormous...therein lies the reason why we love working for him and why the audience loves coming to the concerts" (CNN, 2008).

CNN: Coming up on Revealed: Valery Gergiev

At this point I think it is kind of obvious why I love the Sanctuary Lodge.

FORBES: Hotels I Love: Machu Picchu Sanctuary Lodge