Every man I've ever lived with has been a slob. They say you should just stop doing chores and let your partner get upset when things don't get done - that only works if you have a partner who isn't perfectly content to live in a slimy dumpster. One thought I was a germaphobe because I once watched him drop chicken on the floor and throw it back into the pot of already cooked food and wasn't OK with it.
I live with my mom now and we have a similar comfort level when it comes to tidiness and sanitation. We keep things generally picked up and take care of the truly important things like dishes and toilets, but neither of us enjoys cleaning so we're both willing to put up with a lot of dustiness and unvacuumed carpets. We share work pretty evenly.