What do you think is the secret of a long and happy life?

What do you think is the secret of a long and happy life?
There are people up to 120 years old in a village in Japan. Of course, researchers are curious, they ask older people. What is the secret wisdom of this work? . They say that we are constantly physically active at any age and drink green tea. And what do you think?
What do you think is the secret of a long and happy life?
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