Getting too serious about something will increase your stress levels.

太在乎一些事情会增加你的紧张感。

youdao

Those who are over serious about something trivial, either exultant or grieved, are not healthy and sagacious.

为了一点毫发之微的小事而过分介怀，或悲或喜的人，也不是个健康、睿智的人。

youdao

I had just gotten over a serious illness that I won't bother to talk about except that it had something to do with the miserably weary splitting up and my feeling that everything was dead.

我刚熬过一场重大疾病，具体就不说了,只是这与我和妻子不幸的分离有些关系,我感觉万物都没有了生机。

耶鲁公开课 - 1945年后的美国小说课程节选

And if the Republican leadership is prepared to get serious about doing something for families that are hurting out there, I would love to talk to them.

WHITEHOUSE: President Obama News Conference

And I would note that enthusiasm among Latino voters has increased over the past several weeks, and I think that the President -- the President is serious about doing something about immigration reform.

WHITEHOUSE: Press Briefing

We'll get a chance to see whether working together is something that people are serious about doing or whether it's something that a pollster told them to say.

WHITEHOUSE: Press Briefing