change my bad habits
In my life,there are a lot of bad habits.For example,smoking drinking and stay up too lete 熬夜）.
First,smoking costs a great deal of money.It wastes 200 billion dollars each year in the world.Second,smoking does harm to the health of smokers and even the people near them.About 3 million people die of diseases caused by smoking every year.
Second,drinking a lot while drving.It's easy to happen accidents.
Staying up (too late)means(equals)committing suicide