Bee stings are very educational

The most important thing is to be true to yourself, however you feel, and not try to feel or behave differently because you think you should, or someone has told you how you must feel. But do think about it. Unexamined feelings lead to all kinds of trouble.

Blood trickled down his chin as he was hauled up onto his knees, the golden rope securing his arms behind him and his ankles together. Arthur looked up and saw the fizzing sparkling crown coming down. I’m Arthur Penhaligon, he thought desperately... The crown was wedged tightly upon his head- and Arthur fell silently screaming into darkness.

I am Abhorsen..." He looked at the baby again and added, almost with a note of surprise, "Father of Sabriel

There were also very special or dangerous items that had to be fetched in person, or even by large parties of armed librarians.

I don't do all the background and the worldbuilding before I start the story. What I do is I work out the bare minimum I need to start the story, and often that really is a bare minimum - it's a character in a situation, and I know nothing about the character, I know nothing about the situation, and then I think about it for a long time, and make notes about where I think the story is going to go and so on, but I don't really make notes to do with the background or the magic system or the world.

More advice. Don't go near the Old One. Do go near the Old One. Don't stay past twelve. Trust the Will. Don't trust the Will. I wish someone would tell me something straightforward for once.