I don't think he was worried, he was pretending to be because her mother was there. Yes, I don't think he's a decent human being anymore. EDIT: Because the right moment to care about Lysa was the damn evening where she met him while he was with another woman. Instead of lying, not giving a fuck and having a happy night with his... whatever. That said, I agree with Randissimo and Joie de Combat. Don't worry, hope you're all right.