[The comment about grey gets a scoff, one that may or may not be slightly sardonic. It definitely has a 'lets not talk about it' implication to go along with it.]

Actually, I might have something for you to do. Depends how much you trust me.

[This is the part where John folds his arms across his chest and lowers his voice a bit, reaching up only to scratch at the meager stubble on his face.]

Shepard told me you were a cop in a past life.