Longer reads
Pieces that need more room than a single question page, the statistics everyone misquotes, the arguments couples keep having, and what the research does and does not establish.
Eighty-six researchers pooled 43 longitudinal studies and let machine learning loose on 2,413 variables. The strongest finding was not which trait won. It was an entire category of traits that lost.
Almost every couple assumes they share a definition of cheating. Very few have ever checked. The discovery that you did not is often more destabilising than the behaviour itself.
It is the most repeated number in the English-speaking world's conversation about marriage. It was never a measurement. It was a forecast, made in the 1970s, about a future that did not arrive.