"Didn't you NOTICE? I'm not ugly today. And it was all for you. Which means I LIKE you. But now maybe I don't because you didn't notice. Which means that YOU don't like ME as much as I like YOU. And if that's the way you feel, then maybe I won't give you these cookies that I spent all day baking and decorating and obsessing over before spending hours trying to feel good about myself in a very superficial way. And it was working for a minute before you I saw you and you didn't say anything. You've ruined it. You've ruined EVERYTHING!!"
And then she runs away crying. And said person looks up from the mail wondering why she is hysterically throwing clothes at the door while changing into a sweatshirt and jeans.
(Not his fault.)