Mark Deklin reveals the behind-the-scenes SATC drama that had him literally throwing up over whether to film the show or return to Broadway, why he felt pressure to make Kristin comfortable during their unforgettable scene, and the hilarious question Kristin asked during their scene. Plus, Mark and Kristin look back at filming the show right after 9/11 and reveal the one line Mark had to re-record years later for the show.