[Well, that might be a little better than the last cat he found - that one's currently staying with the boy who found him, living off of all sorts of food that'll probably find him a few pounds heavier when Keith finally picks him up for good.]

Curious seems about right. [That's the nature of cats, after all.] Might want to make sure your door isn't stuck open, though. Wouldn't want stuff like this to keep happening, I imagine.