But according to Gottlieb, “it turns out that the women reported higher sexual satisfaction in traditional couples as well”.

Gottlieb's recent article titled 'Does a More Equal Marriage Mean Less Sex?' in The New York Times has sparked a debate over 'traditional' and 'equal' marriage and why 'peer' marriages appear to have lost that sexual spark.

For this, she looked at a study where couples in both traditional marriages and egalitarian marriages were surveyed about their sex lives.