Tau.Neutrino said:

Co-contribututing factors.
Relating to house design and domestic violence.
Whereby couples are the main contributors and the design problem is the co contributing factor.
No, I’m not an expert.
I think it’s needs discussion/research.
Nothing to do with tax.

Way back when I was studying early childhood stuff, I started a preliminary class as prep for doing honours or something. My area of research was how the physical environment directed behaviour and improved learning outcomes.
Then I quit uni and had a nervous breakdown thanks to my then partner who ridiculed me for failing to get full marks on assessments.
That was fun.