He/she says, "Editors and their authors should pretty much NEVER be Real Friends. Reason 1: You can't trust me. My loyalties are inherently divided. Look. I care about your book. I do! I mean, I wouldn't have acquired it if I didn't. (Uh, probably) But there will come a time in the near future when I will have to put the publishing company's interests before yours. After all, you don't pay me -- they do." Read more here.
Part of me wishes this wasn't true. I would love to have been friends with every editor I've had. But I've never truly managed it. And the more times I've gone around the block, the more I see why that is.