Arthur wasn't going to discuss it out in the open. Not that he was worried someone would want it. Oh, there were people who would, there was always someone wanting what someone else had, regardless what it was. But he didn't feel comfortable discussing the PASIV or dream building out where anyone could hear.
He sighed and shook his head. "Not here. If you want to come back to my place, I'll show it to you." Because why not. This was Dream personified, after all. The Dreaming belonged to him, whether it was artificial or not.