I expected it to be chill, but not that chill. I think the only "serious" questions I was asked were what my plan B was, and a couple questions about activities on my app. Other than that, we pretty much just talked about my interests outside of medicine. I didn't even get asked "why medicine" or "why SLU."
St.Louis is surprisingly awesome for a midwest city. Tons of stuff to do, beautiful park (Forest Park), and great food. As for why SLU, I really like the Jesuit influences, and my visit confirmed even more that the students and faculty are just plain awesome. Everyone was so incredibly friendly.