求用英语写的.对话大概3-5分钟.谢

A：Hi,how are you doing?
B:Not bad.how about you you look good.
A：Fine.thank you.I remember you were thin and often have an illness.
B:yes,i used to eat too much junk food and havea a bad habits,besides,i never take exercises.but now things are quite differently.
A:how have you changed so much?
B:I have a healthy habit of eating,and i also take regular exersise to keep fit.
A:sounds great.maybe i should make some changes,you know in college we do not have plenty of homework and so we can do something as we please.
B:yes,we should be a proper college students.