[It's a very hard question for her to ask, not because she feels the answer, but because it's so completely personal that it feels wrong to try and pry it out of him like this. She hesitates, hoping to find an alternate wording that will get the job done without being so forthright and rude.]
If you... that is to say, on a scale of- no, no, that's foolish. [She takes a breath and looks right at him.] I suppose I'm just afraid that if I don't ask you how you really feel for me, that you'll never say. I want to hear it from you, rather than guessing, but I shouldn't force... well, anyway, I will ask you instead: can you be home for dinner tonight?