Happiness studies: How often do they define "happy" properly?

Studies show that sisters make people happier. Maybe it's because they make life easier.

There's a reason parenting supposedly makes us unhappy: We're still the generation that does everything all wrong.

People don't do a cost-benefit analysis before they have kids, even if they should.

Why I can't blame social policy for my bad mood.

It's not because we have too many choices.