I'm just joking...sort of......but maybe the cats want hubby to leave and this is their strategy. Okay, seriously you're probably going to have to confine them to one area of the house but I know that's virtually impossible.

Have a look at this recipe for a cleaner that is supposed to work......http://www.catsofaustralia.com/urinestainremoval.htm

If you try it let us know how it works!