It's not a solemn promise, but it's something and he'll take what he can get. He smiles at her. "Thank you."

The smile flickers. Where he tried to be casual and relaxed, her reply feels... cool and distant. Maybe she didn't mean to come across that way, but the clear cut response makes him falter. But then, he reminds himself, she's always been good at doing that. The thought has him pulling a softer smile again.

"We have plenty of other things to focus on for now." He tips his head to make sure he has her attention. "I do want you to know that this isn't going to be a quick, or easy thing. I've trained since I was a child, and I'm still training."