This is so true it's seriously funny. Also one reason for having so many hens. I am still getting plenty of eggs even if 1 or 2 need convincing they don't want young 'uns.Very often! Once she has these broke it will take a week or so for someone else to step up and she will be back at it.
Mhari already seems peeved Wrold is trying to sit. I expect she'll try again shortly.