Catherine Giudici and Sean Lowe had one of their most important conversations at the very end of their Bachelor journey. "The night before the proposal, I was at peace," Catherine, 29, said during the Monday, August 18, episode of fellow Bachelor Nation alum Madi Prewett's "Stay True" podcast. "I was, like, 'You know what? I feel confident about whatever happens tomorrow. Either way, it's going to change my life.'" That evening, Catherine prepared for the finale with a shower and a Crest Whitestrips treatment when Sean, now 41, "demanded" to see her off camera.