There's a saying about curiosity and cats, but J doesn't really hold to that; after all, if you're not curious, how are you going to ever learn anything? To that end, he can hear Ivan focused on something, and he's interested to see what it is.

He saunters in and raises an eyebrow. Learning the lay of the land is probably the best thing to do here in terms of mission prep. "You know, that ain't a bad idea. Find anything interesting in there so far?"