"It doesn't come up much." He doesn't bring it up much, that's the difference, but he manages just well enough to keep from saying literally those words. It's a struggle, though, as he focuses on what he wants to say, rather than what comes to mind first. He continues to frown as he stares down at the water rather than at Stone, trying to concentrate.

"It's a type of fruit that grows in my world. If you eat one, it gives you powers. But it means you freeze up in still water if you get too deep. They call them 'devil' fruit because of an old myth about how there are devils that live in them, and how the sea hates the devils and wants to punish them and those who harbor them. We know better now, but the name stuck."