Interesting study. I skimmed through it -- it is quite long. The oddest takeaway for me was that couples with children are significantly happier than those with

Interesting study. I skimmed through it -- it is quite long. The oddest takeaway for me was that couples with children are significantly happier than those without children -- except if they have just one child, in which case they are no happier than couples without children. The more religious you are, the happier you tend to be. The word "envy" never appears in the article, which I think is emblematic of the year 2020.