She's not supposed to feel anything but hate for the dark creature standing at her door. If she was smart, she wouldn't even feel that much.
Emotions are dangerous with Damon Salvatore.
He has an uncanny ability to mess with them, molding them into whatever it is he wants you to feel.
She cannot deny him.
He smirks. His tone cocky, he asks, "Aren't you going to let me in?"
She really should slam the door in his face and ignore him.
He doesn't need her permission, though, and she knows it. So, with hazy eyes, she nods. "Come in."