[That actually makes Koby smile, warm and open and kind.] I thought we might've. You know, I never apologized to you for -- for not pushing harder to find out what was going on with that butler. For not keeping my word. [I believe you, he had said, and he had meant it, even if the evidence was lacking -- down in his soul, his instinct, he'd known something was wrong. But he hadn't pushed, hadn't tried to get inside the house and speak with Usopp's friend directly.

He regrets that, now, having heard the whole story. He's regretted it for a while.

Then, nudging his glasses up his nose, he arches both eyebrows expectantly.] What's your secret?