[wow, he feels even more terrible after hearing Luffy's voice in his reply. It doesn't sound like the regular upbeat rubber man he knows at all]

Well... Let me know if there's anything I can do for you. Even if it's just lending an ear.

[actually, he knows something he can do...] maybe sometime I can nav over and catch a bunch of fish for you [he likes eating right? Maybe that would cheer him up]