阅读短文，判断正误。
Last week, John had an unhealthy eating habit. Now he is in hospital.
On Monday, John had a lot of candy.
On Tuesday, John ate a lot of chocolate and drank a little water.
On Wednesday, John had a little fruit and a lot of cola.
On Thursday, John ate a lot of candy and drank a little water.
On Friday, John had a little fruit and a lot of cola.
On Saturday, John ate a lot of chocolate and drank a lot of cola.
Doctor: John, you look very sick. What did you eat and drink last week?
John: Last week, I ate a lot of candy and chocolate. I drank a lot of cola.
Doctor: John, you ate too much candy and chocolate. Candy and chocolate are bad for us. You shouldn't eat too much candy or chocolate. You drank too little water. Water is good for us, so you should drink more water.
