Question

英语短文改错加解析，谢谢！

As an old saying goes,"You don't know what happiness is until you lose and you don't know what health is until you are ill."
It's essential to knowing how to keep fit. General speaking, one should do at least three things. First,hold an active toward life what will keep you optimistic. Then,keep a balance diet and live a regular life.Bedside,get rid of bad habits like smoking and drinking alcohol,which damage one's health a lot of.Unfortunately few people follow the advices.
Anyway,a healthy life is within reach when you begin to adjust your mind but body.

Answer 1

As an old saying goes,"You don't know what happiness is until you lose itand you don't know what health is until you are ill." It's essential to know how to keep fit. Generally speaking, one should do at least three things. First,hold an active toward life will keep you optimistic. Then,keep a balanced diet and live a regular life.Besides,get rid of bad habits like smoking and drinking alcohol,which damage one's health a lot .Unfortunately few people follow the advice. Anyway,a healthy life is within reach when you begin to adjust your mind to body.