[Kitty really doesn't need to feel too surprised or heart-warmed! Chekov is lonely and can count the number of people he normally talks to on one hand. On three fingers, even. Three and a half fingers? Whatever. Kitty is his favorite.]
You deserved fair warning and I wanted to be prepared for all possible outcomes, even the unlikely ones. [Neither of those possibilities were all that unlikely. Kitty should have greater faith in both her capacity for gentleness and her ability to say no to dancing.] Do you mean to say that you would like to dance?