That's the trick! Try it out the next time you have a hard time keeping a new strumming pattern while singing! I have used this trick many, many times, and it has helped me to get that "Patting your head, rubbing your belly" feeling to go away.
Close your eyes and think of the average night of your favorite artist? They're probably having the time of their (and your) life. They also seem to have a superpower of being immune to the consequential effects of extreme and constant hedonism... I want to point out that this is all in your head!
If you're Taylor Swift, you can announce on just Instagram that you have a song dropping, and that will do you just fine. Let's take a look at how many followers she has... Yep I'm off by 137 million.