"True. That much explains why you let me help you."

She can't explain it. She's seen his eyes shutter when she mentions John's name. If she'd never met John, maybe she wouldn't have recognized this -- whatever it was between them. When John came to her, he was on the edge of insanity, his heart broken, his mind heading that way. He was so lost, so alone, and so angry. She became his lifeline back to the world.

What she feels for Curtis is very much walking the same path, but it's more than that. She recognizes in him a part of herself. She'd never been able to admit it to John, but he had saved her as much as she'd saved him. And not just from the Thern.

"It doesn't explain why you're still here."