Women like talking about their day, men don’t:
[As part of the study] researchers measured levels of a stress hormone called cortisol in the saliva, four times a day.
These cortisol profiles provided biological backing for a familiar frustration in many marriages. The more that women engaged with their husbands in the evening, talking about the day, the faster their cortisol dropped. But the men’s levels tapered more slowly when talking with a spouse.
The article continues on to note “A previous generation’s solution: ‘cocktail hour’.”