Anyone can speak Troll. All you have to do is point and grunt.

Both could feel the relationship crumbling to pieces beneath the weight of everything that Gavin refused to say.

Go on, have a pasty," said Harry, who had never had anything to share before or, indeed, anyone to share it with. It was a nice feeling, sitting there with Ron, eating their way through all Harry's pasties, cakes, and candies (the sandwiches lay forgotten).

They don’t need walls and water to keep the prisoners in, not when they’re trapped inside their own heads, incapable of a single cheerful thought. Most go mad within weeks - Lupin

There's the silver lining I've been looking for.

Nasty temper he's got, that Sirius Black.

That wand’s more trouble than it’s worth,” said Harry. “And quite honestly,” he turned away from the painted portraits, thinking now only of the four-poster bed lying waiting for him in Gryffindor Tower, and wondering whether Kreacher might bring him a sandwich there, “I’ve had enough trouble for a lifetime.