a;what do you think of health and happiness?
b;what is your real mean?
a;I mean that what relationship between them?
b;in my opinion happy plays an important rold in health,when people in good health,they may feel more happy.what's more,keeping happy everyday is useful for keeping health
a;i think you are right
b:so we need to be more happy
a;of course,how about going to do some sports
b:that is good idea ,i like doing sports