http://www.nytimes.com/2013/06/02/opinion/sunday/coontz-the-triumph-of-the-working-mother.html?_r=0
People are surprised that as feminism succeeds in getting women into work, they report lower happiness.
Also: people with kids are less happy, eg, this overview
http://www.cnn.com/2014/01/14/living/parents-happiness-child-free-studies/
The question on both topics is “are pleasure, happiness and satisfaction different things?”