USCIS Interview
Both you and your spouse must attend a final interview with a USCIS official. The primary purpose of the USCIS interview is to demonstrate the validity of your marriage. Immigration officials seek to establish firmly that you are living together and are in a real relationship. You may be interviewed separately and asked personal questions about each other, as USCIS may suspect that your marriage is a hoax, concocted so your spouse can obtain a green card.
You may also be asked to present concrete evidence of the legitimacy of your marriage during your USCIS interview. Evidence may include the following: