What is the best longevity medicine?

A master said:

There are four best "longevity drugs" in the world:

Drink water, sleep, walk, sing,

Most importantly, they are all free.

Water is "the first factor of longevity",

Sleep is "the best tonic in the world",

Walking is the "best exercise".

Singing is the happiest entertainment,

Natural sleepers-live longer, rest early and stay up less.

People who eat less-live long, don't eat too much, just keep up with nutrition.

People who are born with few words-live long, usually watch more and talk less, not talk about the length of people.

People who have few things in their hearts-longevity. It's better to do more than one thing, and you won't say anything if you see it through.

Those who think less and want less live longer. Don't think too much, just pursue.

Forgive others and be a ninja-live a long life. Some things have passed, just bear it!

Confused people-longevity, some things to understand by yourself! There's no need to say it.

Romantic optimist-longevity. If you have time, take a vacation for yourself and go outside with your family or friends! ................................

This is the best "longevity medicine".

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