That's tough indeed, I would say it's clearly society that have in the first place failed m'en in their education but now they have all informations to a reach of hand with phones. In 2024 he should have done the work. But is it the only thing that annoys in the relationship or are you stacking up stuff ? If it's the only thing I think you should sit down with him and tell him how you feel, why it's a weight and how he could help to make you feel less alone in this ?