"Oh?" Lilhy perks, and though perhaps it would be uncharitable to compare her to cat sighting a mouse it would also not be entirely incorrect. "That part of your 'reputation' you had not shared, and I must admit, it does little to bolster my faith in your gentlemanly conduct."
She had assumed he had stolen the uniform, perhaps, or made it himself; that he could have once legitimately been a naval officer himself had simply not occurred to her.
It does raise her opinion of him, but not by much, and only grudgingly. She certainly won't admit to it, either.