They were discussing moms who were primary breadwinners on the show, specifically centering it around a new study on the subject. Semi-significantly it came out that more egalitarian sex roles make your spouse seem less sexy, leading to this gem of a line from the hostess (paraphrased, but close).
You’d think that seeing a man doing the dishwasher would be sexy [??? What?], but it really surprised me to see that it actually decreased attraction in the marriage!