Codes of conduct, morals, ethics. Those are Expectations. As for limits, I do not think people should place limits on one another. Or limits on what they think the other is capable of. This is typecasting.
Limits are why a lot of men on the net have posed as women and vice versa.
To explore what it is like without the limitations of their sex. Some limits are just sexual stereotypes used by women who have been burned too many times. This is why many women never marry. It so often comes to being his Mom. There are lots of women who hold negative stereotypes about all men.