It’s the reason she’s had to “walk on eggshells” around his mercurial moods. It’s part and parcel of his overall pattern of evasive, self-isolating behavior. And worst of all, it’s behavior even he doesn’t fully understand.

“Why didn’t you tell me?” Della asks Perry when she learns about Emily at long last. His reply seems to baffle even himself: “I don’t know,” he stammers, before repeating himself for emphasis. “I don’t.” Seeming to extrude the words rather than speak them, Matthew Rhys expertly conveys Perry’s confusion about his own motivations. Why didn’t he lean on his strong, capable colleague for support as Emily’s pleas started piling up? Why didn’t he come clean about the suicide?.

For that matter, as Della pointedly inquires, why didn’t he do anything to stop it before it happened? “When are you ever not alone in anything?” she asks, exasperated with his need to bear every burden in silence.

After another hour spent in Perry’s company, I get the sense that injustice and tragedy are, to him, almost like a physical malady from which he suffers. There are times when he can simply take no more and springs into action, as he did with Emily’s case in the first place, and as he is doing with the Gallardo brothers now. It’s this almost impulsive zeal that leads him to stand up against the oil tycoon Lydell McCutcheon, whose goons strong-arm Perry into a meeting that devolves into threats. (Elsewhere in the episode, McCutcheon maims a man who comes looking to collect on a debt owed him by his dead son, Brooks, so we know he is willing to make good on those threats.)

But Perry is also capable of ignoring this kind of pain until it’s too late, then wallowing in it, even exacerbating it. Yes, he is the kind of guy who can deftly, gently shame the new case’s slightly pretentious presiding judge (Tom Amandes) into having the Gallardos placed in protective custody after they report finding broken glass in their jailhouse chow. But he is also the kind of guy who’ll deliberately drive his motorcycle at unsafe speeds rather than admit to Della that he may have contributed to his former client’s sense of suicidal isolation and despair.