“What I learned was this: letting myself be at the mercy of hormones and brain chemicals and emotions can be deadly.”

“As a bio major, I figured "free will" meant chemicals in your brain telling you what to do, the molecules bouncing around in a way that felt like choosing but was actually the dance of little gears--neurons and hormones bubbling up into decisions like clockwork. You don't use your body; it uses you.”

“He looks up at my approach and the second my eyes meet with his, whatever sense I had just talked myself into, packs its bags and fucks off, leaving me to the mercy of my hormones.”

“Just as a heroin addict chases a substance-induced high, sex addicts are bingeing on chemicals — in this case, their own hormones.”

“Love is a chemical reaction within the brain. You can not choose who to love nor can you choos NOT to love.”

“Hormones, hormones, lovely little hormones,' Gus sang. 'Give 'em chocolate, give 'em salt, give 'em a credit card and let them sort themselves out. But you never give 'em a gun. Hormones, hormones, lovely little...”