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During her trip she stayed with families helping with housework in return for a place to stay.

She told the BBC how her father, who quit his job at 40 to take over household duties while her mother continued working, quickly realised that housework was no easy task.

Despite the couple's empty claims to have an egalitarian marriage, they admit Simone Collins does most child care and housework, with the usual false claims that women are intrinsically better at these tasks.

"Interestingly, there was no mention of women and housework, which would have looked very different to today," Dr Jones added.

They may get free housework out of it, but at the cost of something way better: to be in love with someone you actually like and respect.