Robin and the rest of the Strawhats are experts at backing a dumbass captain who doesn't listen. So really, he came to the right place.

She hadn't expected to be offered food in return, though, and immediately an instinctual suspicion flared in her mind, giving her pause. But she tamped it down with a smile. He'd assume he's committed some grievous offense if she didn't trust him, and if there was ever going to be a chance for them to be anything more than mere acquaintances, trust would be key. Robin took a breath, and accepts the proffered bite, though it would be a few minutes before the tenseness in her shoulders began to relax.

"Do you and Ace fight often?" she asked, in part to keep him too preoccupied to notice her hesitation, partly out of curiosity.