Thief of Time - Weaknesses

She was never certain that she trusted her grandfather at times like this. It was all to do with the Rules. He couldn't interfere, but he knew her weaknesses and he could wind her up and send her out into the world...

Someone like me. Yes, he'd known how to engage her interest. Someone like me. Suddenly there's some dangerous clock somewhere in the world, and suddenly I'm told that there's someone like me. Someone like me. Except not like me. At least I knew my parents.

***

The Thief of Time - p103-104