Once upon a time, I actually considered myself somewhat of a "neat freak". But then I moved into my own apartment, and somehow my "neat" became a little less "freak" and a little more, "Eh, I'll do it tomorrow."
It's pretty different going from just taking care of one room in a house (i.e.: yours), to being responsible for keeping an entire home clean by yourself. And while I certainly feel blessed that I only have a handful of rooms to tidy and maintain, that still somehow feels like too much work.