In my own experience, she reacted like number 2 albiet without the self insult.
N-no changing your mind now! Please take care of me from now on!It's no good if you can't think of a more romantic line than that. ♥... you're serious?Y-you say... you like me...Yes... it makes me happy, yes! Even though it's someone lousy like me..!U-umm.. th, that is... umm. Wh-what should I do...You "like me"..? That's no good.R-really!? I didn't hear that wrong just now!?