My husband used to say that about me and my sex drive. These days, he's probably thinking it about my teaching. I teach five classes a week on a college schedule. (Three hours a week.) I figure I spend two hours outside of class working for every one I spend in class. That's only 45 hours. But when you add in my kids' homeschooling, it's getting up closer to 70.
All I do is teach, grade papers, and sleep. And not as much of the latter as I used to.
I'm sure it will settle down eventually, but I am not even interested in sex these days. Scary thought.