Tiberius scoffed. "It's not like they grow with attention," he said derisively. He kept his hands where they were, but did stop feeling around them the way he had been at her protest. Instead, he tried to give them a little bounce to see what would happen. She had never had enough breast to bounce, before — did she now? He wasn't sure. What he was sure of was that something was different, and that it was absolutely not his fault, whatever she said. Breasts didn't get larger just because one happened to be touching them more frequently.

(At least, he was fairly confident they didn't).