first of all , truthfulness is very important, be careful while answering every question they ask, let me tell you what they asked me
1.where do you live?
2.what's your phone number?
3. who is (my wife name) she?
4.is she working?
5. is she your relative ( this was a repeated question he asked me three times)?
6. do you have children?
7. did she visit you?
8. for how long had she been to the US?
9. did you ever marry before?
10. did your wife marry before? this is the same repeated questions he asked me
then in the next window the american guy a very respectable boy he asked me what is your name and your wife name?
and Boom......................you are approved he said.........
over all a very good satiation it was i love it, the american guy is window 13 was very awesome