Помогите ответить на вопросы: what is diet? why people go on diets? whether you have a healthy lifestyle, why?/why not?

What is diet? - Diet is a special complex of meals to eat in order to keep healthy and feet.Why people go on diets? - People go on diets because they want to be healthy and beautiful.Whether you have a healthy lifestyle? - Yes, I try to have a healthy lifestyle. Why? - I have a healthy lifestyle because I care about my body and my health. Which you prefer: junk food or healthy food? - I definitely prefer healthy food.Why? - I prefer healthy food because I want to keep fit and look good.