Above all, stay calm. As long as you have provided solid evidence that your relationship is legitimate and you answer all questions truthfully, then you should have no problem during the interview.
The interview is the final step in the permanent residency application process. After the interview, the applicant will be notified by USCIS if they are approved for a green card or not.
Keep in mind that these questions are only meant to give you an idea of what you may be asked. The USCIS officer may ask you some of these questions or totally different questions.
USCIS wants to avoid granting visas based on sham marriages and fake relationships. To make sure your interview goes as smoothly as possible, prepare by reviewing the questions below.
For those applying for fiancé or marriage visas, proving the purpose of your visit to the U.S. is a little trickier. You must prove the authenticity of an intangible thing, a relationship.