Because there is something worse than the I-can’t-live-without-her heartbreak hellspace you’re in right now, Afraid. It’s spending your life with a partner who, at her or his deepest core, does not want to be with you. It’s accepting a reluctant half love for fear that’s all you can get or deserve. It’s dangling eternally in doubt. It’s believing that a lie will keep you safe and the truth is where the danger lies.