[Is it truly possible to find something you cannot change? Yes. But there's a strong line between being unable to affect change and being unable to understand how something ticks. Understanding is his life's blood.

He steeples his fingers and taps them together, once.]

Hmm. Why not?

[He gestures with his hand.]

Literature and medieval plays are full of tales of filial retribution, you know. Though I think their themes of murder aren't necessarily of interest to you.

Not that I'm advocating murder, mind. I'm just demonstrating the parallel. Vengeance and anger are perfectly normal human emotions. It's only natural to feel like this.