Prudent. Well, I'm willing to let you give it a try, if you're willing to chance it. If nothing else it might help me figure out what's out of whack.

[Possibly nothing could happen at all. Or perhaps he'd find that there was something wrong but not be able to clearly identify what. Or Chaos could break out too; that was always possible.

The possibility that he might be able to correctly diagnose and/or fix the thing was set aside as remote. Una might be an optimist, but she's also pragmatic.]