This is Christoffer from Sweden.
What's my advice for being happy? Live for today. I don't worry about the future. I do what I want to do.

This is Nina from the Philippines.
My advice for happiness? Make money! I will make a lot of money. I will not too much. Then I can and be happy for the rest of my life.

This is Ananda from India.
Here's my idea for a happy life. Make other people happy. When I make people happy I feel happy too. Shared happiness is happiness.