Deadweight losses occur when the quantity of an output produced is: ... Less than or greater than the competitive equilibrium quantity. Such that the marginal benefit of the output is just equal to the marginal cost.
I would say that for most people, buying an apartment or a house would be the most major thing they could do that would affect their net worth. Initially it would be mostly a liability at first but as it appreciates, especially if it is in a big city where the population keeps growing then it most likely will appreciate and then the owner's assets will increase since their equity will increase.
They can go to a well known reputable counsellor and both present their points of view and their reasoning and discuss it with the counsellor who should be able to delve into the reasoning for their moral positions and perhaps find common ground for the two positions or point out inconsistencies in the arguments of one to increase understanding of the other parties's position and arrive at a mutually beneficial result.
She is very dependent , and Spoiled & it will be hard for her whenever she starts being indepwndent
