Its study requires the use of the adequate web-ethnography which is not reduced to the use of a computer or other gadgets, but also involves physical observation of the ways in which virtual reality is being built into our everyday life. As much as possible it is necessary to study the real offline and the virtual on-line ethnicity in their relationships and disparities - using real individuals and communities as the case studies. The most intensive cyberactivity is demonstrated by the communities, first of all the diasporas and the ethnic minorities, which try to compensate through the net the deficit of the real-life territorial proximity and communication.
But since she's working, she could presumably afford to rent a place, yes. Maybe she'd have to share with people, but that's kind of normal for someone her age.
As for encouraging change, I would tell him that if he isn't willing to work on this together, as a couple, then you'll have to leave him.