They have construction treads on them, not their final good-lookin' treads, and it'll be a while before they're complete, but they ARE STAIRS.
So, I'm going to find my pillow and sleeping bag.... 'cause I'm moving in. Okay, so there's no plumbing. Or furniture. Details, details.
But let me just say this:
You just want to walk on my stairs. Admit it.