I've never wanted to be a witch, but an alchemist, now that's a different matter. To invent this wizard world, I've learned a ridiculous amount about alchemy. Perhaps much of it I'll never use in the books, but I have to know in detail what magic can and cannot do in order to set the parameters and establish the stories' internal logic.

Apparently wizards poke their noses in everywhere!

You see what you expect to see, Severus.

Then she was kissing him as she had never kissed him before...and it was blissful oblivion, better than firewhisky; she was the only real thing in the world.

I’m not a freak. That’s a horrible thing to say." "That’s where you’re going. A special school for freaks. You and that Snape boy ... weirdos, that’s what you two are..." "You didn’t think it was such a freak’s school when you wrote the headmaster and begged him to take you.

As for the fact that Malfoy, Crabbe, and Goyle apeared to be going their different ways when they were usually inseparable, these things happened as people got older--Ron and Hermione, Harry reflected sadly, were living proof.

Well I think it is often the case that the biggest bullies take what they know to be their own defects, as they see it, and they put them right on someone else and then they try and destroy the other and that's what Voldemort does.