郁闷

情绪可以掌控我们一天的行为表现，如果是开心的情绪，那么我们做什么事情都会非常有干劲，但如果是郁闷的情绪，那么我们会对一切有意思的事物没了兴致。

Enough sleep is very important. It affects we are happy or not. We can easily find if we sleep enough in the night, we usually have a good mood next day.

Yesterday, my parents were not home. And I had to stay at home by myself for one day and one night. I was very happy at first, because there wouldn't be anyone criticizes my behavior.

Many people dream to live a healthy life. But sometimes they do not have a full understanding of healthy life. In my mind, a healthy life includes physical and mental health.

It is a common phenomenon that a great number of people are tending to keep pets at home. People worry whether keeping pets at home are good for people. Some people say that pets can bring us happines