Nowadays, people suffer from more pressure with the increasingly rapid pace of life, and people feel happy less than before. Consequently, it's important to keep a good mood under any circumstances.

To begin with, keeping a good mood is beneficial for us to stay healthy.People who keep a good mood may have greater longevity, less stress and a low risk of heart disease, diabetes and depression while ones in bad moods for a long time may increase the risk of cancers. Furthermore, keeping a good mood can motivate people to study or work efficiently. Good moods, such as excitement, happiness or eagerness give people more confidence, which inspires people to play a significant role in their study or work. At last but not least, people are much saner when they have a positive mood. They even have unusual strain capacity.

In conclusion, the mood is a double-edged sword. A good mood can fulfill people's energy to move forward. What they should do is to learn to control their feelings to motivate themselves.