Or somewhere in Montana.
Here are five things we learned from him:
1.
I had to shave every day, every day, for 33 years.

Credit: Mike Coppola/Getty Images
And everybody hates it.
My wife hates it.
My son hates it.
He added, I know, its not a good-looking beard.
But I dont even care.
And I have felt much better.
What hes watching on TV these days
Lets just say hes not keeping up with the new late-night wars.
Letterman is watching mostly news, he said.
Im like the idiots who always used to come up to me and I knew they were lying.
But Im like that guy now.
I cant stay up late enough to watch TV.
I like to be in bed right around 10.
Anything that happens after 10, Im not there.
Weve had a lot of people to the ranch, he said.
Because you want to share this with people.
And a lot of people dont get invited back.
Because for some reason they dont get it.
Well I said, OK, lets see, youre not coming back.'
When I got into high school my grades were really, really bad, he reminisced.
And it was that moment that I realized I know exactly what I want to do.
Ive found something I can do.
I cant do algebra.
Im no good at anything else.
Then the rest of my life I stopped worrying about everything.
Read thefull Letterman interviewat theWhitefish Review.