whose house is it? If you have a kid, that kid is equally entitled to the space you’ve brought them into. That’s a burden you chose to bear when you chose to see a pregnancy to fruition.

should two consenting aduts adapt…? Yes, especially in the presence of children. Even if we were talking about roommates instead of kids it should be self-evident that your roommate is not wanting to hear you having sex twice a day. Its a common courtesy to be considerate of others around you.