阅读下面文字，从A到F选项中为每个段落选出一个最适合的标题。

What makes you happy? Different people have different answers—doing well at school, being picked to play in a sports team or receiving the birthday present you wanted.

（1） Every year since 2013, the world has celebrated International Day of Happiness. It falls on 20 March and was created by the United Nations（UN）. The UN set up the day to tell people that happiness is important.

（2） This year, the goal for International Day of Happiness is “keep calm, stay wise and be kind”. Keeping calm reminds people not to let their worries out of control. Staying wise means choosing activities increases your happiness. Be kind to the people around.

（3） Research has shown that happiness is good for people’s health. The happy people seldom get sick. The happier people will live longer and serve more to the communities where they live.

（4） Lots of scientific research shows we can improve our happiness if we use the right ways, such as trying a new sport, setting a new goal, telling a friend something you like about them and so on.

（5） No one feels happy all the time. Everybody may feel angry, nervous or sad from time to time. If you feel upset for a long time, you should talk to an adult you trust or share your feelings with your best friends.

A. How to make yourself happy B. The meaning of happiness C. The advantages of happiness D. How to deal with unhappiness E. The date of International Day of Happiness F. The goal for International Day of Happiness