"Women are not actually working more than they were 30 or 40 years ago. They are instead doing different kinds of work...
What has changed — and what seems to be the most likely explanation for the happiness trends —
is that women now have a much longer to-do list than they once did (including helping their aging parents).
They can’t possibly get it all done, and many end up feeling as if they are somehow falling short...
Although women have flooded into the work force, American society hasn’t fully come to grips with the change.", NYT, 26.09.07