She was listening to the words coming out of his mouth, but none of it was making sense. Half brother? Her mom had gone out, maybe gotten hitched again, had another kid? The shock brought on by his words flashed over her expression, instantly dissolving her annoyance. She was starting to feel like she needed to sit down again. If he was a con-artist, he was doing a good job - especially since she'd told no one else about the news of Madeleine's untimely demise.
Instantly she felt more anger rise up, at this revelation: that her mother had so easily left her behind, had started a new life with others, and only later in the game had she felt bad enough to think of Charlie. Or Charlotte, or however her mother chose to remember her.
"You're fucking right I wanna see some proof. And I don't know what the fuck you expect from me, but..." Her jaw clenched, unable to form words. So many times she'd been dumped on by people's expectations, and she was frankly quite sick of it. Instead she shut her mouth and held out her hand for whatever this kid had to offer in the way of proving that he was indeed who he said he was.