She had called on her best friend to discuss a man she couldn’t get over. “An unnatural craving” she called him. “I know a thing or two about those” he said stealing a glance. “It kills you for the things you desire, but craving for something you know you can never have, destroys you slowly”

Whoa!
😀 assuming that is a good Whoa!
It would be a good “Whoa” from me. I love it. Less is so often more, when you can pack so much nuance into a few words