Also, men need to learn that they can be primary parents and househusbands without being a millimeter less manly. A MAN, as opposed to a hominid male adult, is made by integrity, responsibility and courtesy. Nothing more, nothing less.
Of course, there’s also a flip side: women need to ask themselves, if I had such a man, how would I feel about him either not earning or earning appreciably less than I did? Including if he did most of the housework and child (or pet) care? They need to ‘catch’ anything in their psyches which starts to curl their lips with contempt for such men.