Not that I'm discouraging thinking before you speak, but if you've got to do it that much just to form a sentence, I think you're looking a little too far into it.

[It's sort of Vegeta's roundabout way of saying 'why are you so worried what other people think of you'. He doesn't think she's been idiotic as she's just been awkward, which isn't quite the same thing. Plus her speech was annoying him with all the strange breaks in it.]