"Yes." He did, immensely. More than immensely. He wanted to see it, he wanted to know how beautiful it was. But he shook his head.

"Not yet," he said. "You can show me when this is finished. We'll go there together."

The risk of the Valeyard seeing anything was too great. The Doctor had to make sure that he didn't put the Master at any more of a risk than necessary.