[That is by far the strangest thing she's done to date, when Sanji has already pegged her for the subdued type. Further observation and revision is needed]

Think nothing of it, my little princess~! Your willing knight will forever be at your beck and call~!

[Oh wait, before he gets ahead of himself]

Though I should warn you - I'll have to tell my crew about this, first. They won't hold anything against you. [But while Sanji trusts her, he's not stupid enough to think the crew will immediately follow suit without good reason to do so. They know their chef is a special boy]