任务型阅读Mrs Brown is very fat (胖) .Her husband and she go to see the doctor .

任务型阅读Mrs Brown is very fat (胖) .Her husband and she go to see the doctor .
Her doctor says to her ,“ Don’t eat meat and cakes .” Her husband says ,“ I stop her eating them ,doctor .” The next morning Mrs Brown makes a nice cake and her husband eats half (一半) of it .Then he goes to work .Mrs Brown cuts(切) a very small piece of it and eats it .It is very good .She cuts a big piece of and eats it .A few minutes later she eats it all .“My husband will be(将会) angry .What shall I do ” she thinks .She makes another cake very quickly .She eats half of that and leaves(留) half on the table .Her husband comes back later and he sees the half cake on the table .He is very happy.
根据短文内容,完成下列任务.
1：why does the doctor tell mrs Brown not to eat meat and cakes
2：