I would be remiss not to post this, especially since this is an A.V. Club article:
http://www.avclub.com/artic…
This interview seems to be the only one I've seen of Nathan out of character.

He's actually divorced now

Nathan isn't exactly a "winner", either on the show or real life. He's successful, but part of that success is intrinsic to his having an outsider's perspective.
Corey isn't really an outsider, he doesn't (appear to) question social norms at all; he seems to lack the insight to do so. iI just so happens he also comes…

Knowing the way Nathan rigs his contracts, I have a feeling you'll be disappointed if you try.

"We Love You!"
…
"Yes"

Jasmine was probably an actress. Everything about her was way too convenient.

I think that's a whole other layer to Nathan For You that most people miss.
There's a genuine dark side to the show, and Nathan's toyed quite a bit with assumed identities and trust in this season; actually, it's in almost every episode once you realize it.
I think if you're paying attention, you can see that he…

I so badly want to like this show! Aziz Ansari's main talent is in being a man of his time— he is quintessentially millennial. He is *interested* in interesting things, and he does have his finger on the zeitgeist—
but he doesn't actually "have" anything interesting to say about those interesting things, nor does he…