Sometimes he seems to be saying, "I'm not happy about anything, but what are you going to do about it?"

VOA: special.2010.01.17

So, really I'm pretty happy with what I've gotten to do, and I just want to say we're not trying to convert all of them you pre-med people, by any means.

事实上，我很对我所做的事情很高兴,我想说我并不是想。

麻省理工公开课 - 化学原理课程节选

How do I determine whether or not I am happy?

我如何判断自己是否幸福？

哈佛公开课 - 幸福课课程节选