This is the not very official list on what AFS likes you to say/do in the interview:
1. You should say: "I hate alcohol"
2. You should say: "I hate cigarettes"
3. You should say: "I don't want a sexual relationship before I've been married a
least twice".
4. You should say: "I'm afraid of cars and do therefore not want a license to
drive"
5. If you have to lie to say the above mentioned sentences, then DO LIE!