So you don't ever get angry at him?"
Jem laughed out loud. "I would hardly say that. Sometimes I want to strangle him."
"How on earth do you prevent yourself?"
"I go to my favorite place in London," said Jem, "and I stand and look at the water, and I think about the continuity of life, and how the river rolls on, oblivious of the petty upsets in our lives."
Tessa was fascinated. "Does that work?"
"Not really, but after that I think about how I could kill him while he slept if I really wanted to, and then I feel better.

Autor: Cassandra Clare