Good job Susiecat!
Men...I don't know, it's attitude with them. I'm afraid that your fighting a battle that will only make him more stubborn.
I found that unless it affected my dh directly he didn't notice the chore exhisted. Leave somethings undone that will interfere with his routine...don't talk about it just leave it, maybe he will pick up his slack.
Good Luck

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Love, J.