My exhusband couldn't keep his car, house, or even his locker back in high school clean.
My man now USED to keep his space exceptionally clean and neat... when it was at his mom's house. Now that its at mine, we have to clean it with a shovel sometimes.
My spaces have always been neat and tidy, as long as I don't have a man living with me!
With my kids it's the same too. My daughter is organized, and my son is chaotic.
Of course there are exceptions to any rule. My friend Ronnie's place is gorgeous... but he's also gay.
Change how you see, not how you look.