Whilst searching the net, I found this. The Architecture of Intimacy.
It suggests the individuality of dwellings - specifically of married couples. The author, Nor Hall, has lived with her partner for 15 years and they have never lived together allowing their houses to personalized for themselves. She states "Living in distinct dwellings makes it necessary to be taken in to each other's intimacy. Such a design asks me to consider how my house houses him, and how his house houses me."
Interesting concept when in relation to designing a bathroom for ones-self.
Interesting concept when in relation to designing a bathroom for ones-self.