Just came across this and thought it might be of interest. Those who think that the children would be happier if unhappy parents were divorced might want to re-think that (obviously, violence and abuse are never acceptable)
From the UK
Longitudinal analysis of the Offending, Crime and
Justice Survey 2003–06 http://rds.homeoffice.gov.uk/rds/pdfs09/horr19c.pdf
Hmmmm...so, if the Government were to invest in marriage, they'd potentially reduce crime rates and all the costs involved with crime.