"What I'm not allowed to care? About your safety? About who you're spending your time with? Dammit, Elizabeth, you're... you're all I've got and I'll be damned if I don't look out for you somehow." There he's said it. Whatever that therapy's done for him, he can at least admit that much. She's all he's got that's decent in this world or any and despite how he met her, he'll die to protect her, this strange girl from the tower.