On the other hand, women work very hard at find the right-sized bras.
find=finding
That may be true, but a women's breasts are pretty easy to size up, real or enhanced.
On the other hand, not many guys know what size category they fall into, so of course they don't want to embarrass themselves by buying a package labeled small
By the time you are ready to use one, I don't think a smug fit is your biggest objective.!!!