They asked the question or in other words they investigate because they care about you. So don't be annoyed and answer every time the same questions with same answers.
1. Why are you going?
2. What's his name?
3. Where does he live?
4. How old is he?
5. What's his phone number?
6. How are his grades in exams?
7. What's his parents name?
8. What does his parents do?
9. How many brothers and sisters he has?
10. Did you do your homework?
11. When did you come back?
12. Are you going to just waste time?
13. Should i make food for you?
14. Are you going to eat outside?
15. Will you bring food for us too?
16. Are you going to smoke?
17. Will you stay at his place, tonight?
18. Did he came to our house?
19. Are you wearing sweater?
20. Don't forget to take door keys.
Did i missed a question your parents asked you when you go outside? why not share with us in comment section.