Quote Originally Posted by Neo Emolga View Post

Nope, there's never a Sanity penalty for using Diplomacy!

So yeah, whoever has it can go all out with it if they'd like.
Alright, everyone with Diplomacy! I'm basically now going to look at you funny if you don't use Diplomacy on everyone you meet. It's basically a more efficient Interview, from what I've gathered.

Unless it doesn't quite work like that, but still, either way, Uru the Sudowudo will likely need it.