When I asked the missus about this, she replied that me being an expert in everything is the correct answer. So, with tongue in cheek, I will withdraw my snoring answer. Now I will offer a better answer - passing gas!

Their wife tells them to at least drive the speed limit instead of so far below it, after years of telling him to slow down. My DH never searches for matching socks - his socks just magically appear, all matched, in his drawer.

Mixing drinks. Identifying different types of alcohol by sight and smell. How to delegate work assignments. How to schmooze one's way through a tough situation.

I actually know this one. I know them all and where every state is, ugh! Uselss information? Why can't I remember the right patterns for trends in stocks? ;) When I was trying to learn the capitals, I incessantly guessed "Trenton?", to my mom. Every state. And I've never even been to NJ! I must've just loved the name. Sounds cool.