The answer depends how much can be written or explained.
To a limited extent and not to make life of mods busier than what it is,
…just think of extra skin and its fold being a source of nuisance and requiring more hygiene than if taken away.
Read about ‘smegma’, infection and cancer of the male area.
Besides from pleasure point of view for both, the man is better off circumcised. Just get the hint.