"I'm old enough to know better I would say, to be hiding in buildings that have sides and roofs missing."
"If you want, you can walk around with me, tell me things to be careful of, or, we can sneak you in by way of the back door, which I have a key to, so you can sneak back in."
Joel looked aorund the building some more, letting his light search in to the recesses to see what looked to be a hazard.