He's very Orlesian is what Anders is getting from what he's seeing, but not in an off-putting way.

"Don't worry about it. I've had my share of liasons in places where I wasn't supposed to." Behind the statue of Andraste, hidden between bookshelves, under a senior enchanter's desk... "I can't fairly judge someone else for that. And perhaps I should have given the two of you privacy rather than prying further, my apologies."