There's more good news for people who have friends.
还有更多的好消息,对于这些人的朋友.
They live longer than people who don't Why?
他们活得更长,比不运动的人,为什么?
It could be that they are happier .
这也能使他们更幸福.
Being happy helps you stay well .
快乐会让你保持得很好.
Or it could be just knowing that someone cares.
或者它可能只是你知道有人关心.
If someone cares about you,you take no care of youself.
如果有人关心你,你把没有照顾自己.