I printed out everything that I had already submitted to them and brought some additional photos and new chat/call logs as we had trips together since I filed but nothing got asked from it. I wasn't expecting to have to show it but better to be prepared. They only asked me a few basic questions, where my spouse lives (state), what they do for a job and what I do for a job. It was very stressful and relaxed, I had months and months of anxiety over nothing