" Here was the thing about adrenaline: She’d never realised, before, how addictive it was. Until recently, adrenaline had been an enemy. Something pushed into her veins against her will. She’d never understood how jumping off a bridge with a glorified elastic strapped around your ankles could in any way be classified as enjoyable. But now she could see that it was about control. Choosing when and where and how the adrenaline spiked, as opposed to waiting for it to find you in your bed as you fell asleep. "

― Krystal Sutherland , A Semi-Definitive List of Worst Nightmares