A person should know how to share his happiness and bring it to others, so that others will be happy for you and bring happiness to others.
If people have pain, they should learn to adjust themselves, talk to others and vent their pain. When you talk to your friends, your pain will be relieved because your friends share your pain.
This sentence tells us that people are mutual, and we should share happiness and pain with each other.
Sharing is a bridge between people's hearts, and sharing is a bright light in a lonely life. Sharing is an honor in a gloomy life. People who don't talk about sharing seem to shut their hearts in the dark and don't want to open the window to let the sun shine in.