[As usual, Costigan's left a window open for the guy. At least this time, he sees his friend coming and glances up when Jack perches on the sill. It still unnerves him to see it, but as long as he doesn't think about it too much, he can avoid the anxiety.]

I'm going to fucking kill myself if it keeps up. [It's an offhand muttering, one it's obvious the Bostonian would never actually follow through on. Then he's more serious, crossing his arms and shifting.]

I told you about being an undercover, and the council thing? [He grimaces a little, clearly uncomfortable.] It's going to change. He wants me in charge.