Нужна . 5 предложений what questions would you ask a dietitian?

1) Is it OK if I eat after 6 p.m. but go to bed late?
2) Is it allowed to eat dairy food if I want to put off my weight?
3) How many calories should I eat per day in order to keep myself healthy and fit?
4) Are all fruits and vegetables healthy? 
5) How do I create a well-balanced diet suitable for my lifestyle and age?