Antonin's expression after hearing Hermione's statement was one of complete shock. His jaw dropped open slightly and his eyes didn't blink. Part of her wished she could read his thoughts in that moment, but she was also afraid of what she would discover if she could. Would he grow violent again when the shock wore off? He'd never laid a hand in anger on her outside of his ordered punishments from the Dark Lord. Was this going to be the first time? Should she be prepared to fight her husband? She really didn't know what to expect next.