Corwin's first response was a simple shrug, but after only a brief pause in which he realized several things, he continued speaking. "I haven't been keeping track. I've been here for too long and that's really all that matters." And it was actually the truth. He'd been around long enough that months weren't what mattered. Years, even, ran together and it wasn't until one hit decades that things started to get a little clearer, and only into centuries that there was any real distinction.