‘You must trust me, also,’ I found myself saying to my King-in-Waiting. And when he remained looking up at me consideringly, I asked, ‘My prince. Do you?’ ‘Yes.’ With one word, he gave me his trust, and with it his confidence that whatever I had been doing would not bring him harm. It sounds a simple thing, but for a King-in-Waiting to permit his own assassin to keep secrets from him was a staggering act.