1、They often see the "good" sides of all things ,and they are often in a good mood.
2、They often see the "bad" sides of all things,and they are often in a bad mood.
3、I am a happy person.
4、I will learn to find the good points of everything,see the good sides of all things in the world,try to ignore the bad points of things.Always keep a good mood,try to appreciate everything.