He looked away for a moment, going silent. "I don't know all the details of how involved you two were. I know that there was ... something. And obviously that something changed, or we wouldn't be here right now."
Clark finally looked up into his wife's eyes again. "I always try to see the good in someone, even someone like Luthor. I'm sure that there was at least something there at one time for you to at least like in him. If there hadn't been, I know you aren't the type to waste your time."
There was another little silence as he struggled with a flicker of his own jealousy. ".... Were you in love?"