"Wouldn't be a very useful place to hide if people could still kill each other." The rules and limitations are being listened to and made note of. This seems to be a useful place in many ways Paul intends to return - not often, but enough to make use of the services and resources it offers. "Has this...anti-violence field...ever been broken?"

Paul's approach to learning about the Nexus is systematic. Ask a question, gather information, and if applicble see how it works yourself, with all the deliberation of a velociraptor testing an electric fence. And security concerns are an important issue to touch on, because it has implications for how careful you have to be.

"And this IRIS is...?" A leading question.