I celebrated 37 years worth of my own “personal study” on this topic last night. During this study I was able to observe My mother, my mother in law, my wife, my sister, and two daughters as they navigated this every 28 days or so.
I could have saved these researchers a lot of time.
Ah, so you are hen pecked! Sorry to inform you it shows…. I bet all your women cannot stand President Trump!