Coming back to this. I was with dh for 10 years before having DC and no it wasn't noticeable that he was a bit lazy, as the housework was so much less. He used to stick a load of washing on once a week and that was fine. Now we have a load of washing once a day. The house used to be hoovered once a fortnight, now it needs going over at least once a week, and downstairs once a day.
He will always do housework if asked, he will do anything if I ask. But he won't see if or be bothered about it himself so I often pick up the slack because I feel like a nag. He won't care if visitors come round and the house is awful, I do. I think that all of that is societal rather than our relationship.