YES. It took my husband being the stay-at-home parent while I'm the breadwinner for him to even start to get it.
It took nearly 8 years of partnership before he even took over making and managing his own medical appointments.
It took a lot of sharing the famous "You Should've Asked" comic (https://english.emmaclit.com/2017/05/20/you-shouldve-asked/) to explain, but it didn't really sink in too much until he just plain HAD to do things for himself.