Cassie, stop. I can't do this.' He pulls back to meet my hurt gaze.'I know why you're doing this.' I draw a breath, letting it out on a long exhale. 'You don't trust me with your heart. You're afraid if you give it to me there's a chance it could be broken, again.''It's been shattered once. I'm afraid next time it won't get broken. It'll be obliterated,' he says quietly.I press a single kiss to his lip. 'You're my Superman. You're not supposed to be afraid of anything.''Even Superman had weaknesses.