[Unfortunately, where Lazarus is, awkwardness has a tendency to follow. He's aware that Nathan's uncomfortable; that much, he can discern. But when it comes to avoiding the subject, the accompanying thought, effort and fixation actually might make it worse.]

Well, that goes without saying...

[He's supposed to toss off an astounding deduction right now, isn't he? It seems like a good place for one.]

She was romantically involved with the person my Other suspected of being Kira. If I had to guess... I'd put my money on something that was connected to him, less as her lover and more as... an accomplice. You cover for people you love, right? Or... would?

[Lazarus has no right to sound so uncertain; he knows very well what Nathan did to help him when he was struggling some months ago, and just how much covering actually went on. But he's using "love" in a different sense here.]