They only want to hear what's wrong in your life and they tend to get bored or change the subject when you mention your successes or happiness.

他们只想听听你生活中的出的一些错，他们总会感到厌烦或者当你提到你的成功或者快乐时他们总会改变话题。

youdao

If you want to succeed in life you can concentrate on the important things for you-health, love, family, career, happiness, etc. Concentrate on them and try to visualize them.

如果你想要在生活中取得成功，你就会把精力集中在对你的健康、爱情、家庭、事业、幸福等重要的事情上。专心于这些事并且使这些事形象化。

youdao

Don't get me started on happiness, or the screening procedures in airports and buildings, or children's literature, or Winston Churchill, unless you really want to talk about it.

除非你真的很愿意谈，否则就别让我说起关于幸福、机场和大厦的甄别程序、儿童文学或者温斯顿。邱吉尔之类。

youdao

If you want to spread happiness, "Be the change you want to see in the world." By example.

如果你想传播快乐，“成为你想在世上见到的改变“，以身作则。

哈佛公开课 - 幸福课课程节选