[ She needs a break from the replies, so she's good with the excuse to tear her eyes away from her device for a while. Clara's smile at the Doctor is thin, but there. ]

Just a bit. Brushed it off already.

[ What a lie, but it's so big, she knows there's not a chance he'll believe her anyway. She'd watched him die, again, even if she knows it wasn't real. She'd watched him get old on Trenzelore but she'd saved him. Or at least she thought she had. This version of him is technically gone forever now. The tower had been keen to remind her. When she speaks again, her voice is softer, and she glances over at him. ]

That was all really, really awful. And now I don't know if I'm doing the right thing. I think I am, but — [ She pauses to look down at the device in her hands. ]

I didn't know the Child created the tower.