What is happiness??

There are a lot of things that we can feel thankful around us and in our lives.
However, we forget those things easily and fail to appreciate how much those are precious and meaningful. Therefore, I think the important thing is our state of mind... People who are not satisfied with their life always complain and don't know how to be happy but, the other people appreciate even small things.

When I meet handicapped who don't have a arm,
When I meet a person who lost their family,
When I realized I can study English in yueli because of my parents' support,
When I chat with my friends, When I listen to beautiful music,
When I go to bed without happenning any bad things in a day........

I feel that "I'm a happy person"
and this is happiness..