Questions:

1. Do you prefer to eat at a restaurant or at home? 

2. How much do you eat when you are sad or happy?

3. What is the most unusual thing you've ever eaten. Did it taste good or bad?

4. ​​​​​​​What special foods do you eat on holidays? (Christmas, New Year's Day, etc.)

5. ​​​​​​​Does your family have any special recipes that are passed down from generation to generation?

6. What are the best ways to avoid getting sick?

7. Do you always eat healthy food?

8. How often do you do exercises?

9. What is the best way to deal with stress?

10. How happy are you with your life?

Expressions:

have a sweet tooth = like eating sweet or sugary things like cakes, sweets or chocolate

eat sensibly = eat moderate quantities of food, and not over-indulging in unhealthy food

watch what you eat = be careful about what you eat, and the quantities you eat

go on a crash diet = start a radical diet to lose weight quickly

cut down on = reduce the amount of (fatty or sugary foods, for example)