Cosette might have found it strange to switch to French, but she didn't say anything about it. She would follow suit, if that's what he wanted. She nodded a little, squeezing his hands as soon as they took hers.
"I... it wasn't much. I was young and there was this really beautiful lady who was holding me and singing to me..." she murmured, glancing away from him. "I think... I think it was a really long time ago. But it felt really familiar."