"Catflap of...how does that work? Where did it go to? Did you join it to a fixed location??? Like a uh...a dimension door? Or what???"

He needs his journal back he's aggressively flipping through it for a clean page to grab up a charcoal to start scrawling a diagram on to illustrate his question.

"How do you account for the instability of having the spell hold for longer than a minute?"