Thereās a mix of that but I think the focus shouldnāt be on his virginity but on the fact that, although we would love sex (thatās why heās horny all the time), heās preserving himself to protect his familyās Land and reputation. This was established in Ch.1
Having a guy popping a boner around important people would be like a serious army woman walking around with her nipples slipping through her outfit in front of her superiors. Men are the ones with less revealing clothing because their nudity is seen as private/taboo.
You need to remember that not only are the standards reversed, but weāre dealing with morals more akin to medieval times rather than resembling modernity