your graphs are just plain useless on all counts
Look at 1979 in the second chart... the trendline for the present is dropping beneath it. The size of house isn't relevant.
https://www.washingtonpost.com/news/wonk/wp/2014/02/18/stude...
http://www.investopedia.com/articles/personal-finance/021914... "Over 25% of them had late payments or are dealing with bill collectors, and well over half are still receiving some form of financial aid from their parents. One of the most disturbing findings of this study reveals that seven out of 10 young people define financial stability as being able to pay all of their bills each month."
http://www.millennialmarketing.com/2010/11/whats-not-on-mill...
http://www.usnews.com/news/articles/2014/04/30/homeownership...
http://www.theatlantic.com/business/archive/2011/04/chart-of...
http://www.businessinsider.com/millennial-home-ownership-sur...
http://www.bizjournals.com/albuquerque/blog/real-estate/2015...
...
http://www.google.nl/imgres?imgurl=http://1.bp.blogspot.com/...
Homeownership has been 64% or higher since 1970.
https://upload.wikimedia.org/wikipedia/commons/thumb/d/de/Hi...
Houses have just become larger since then.
http://farm8.staticflickr.com/7002/6843606169_618efc8942_d.j...
You are just plain wrong on all counts.