Scans_Daily

It also really plays on the strengths of his relationship with Matt. They are almost polar opposites when it comes to dealing with the criminals, law and all the stuff in between, but they've still come to... not respect, but perhaps understand each other.

Franks coming there not to take part in the melee that is looming ahead, but to nudge Matt away from going down his road, that was just something very, well, Frank.

Actually, there's a weird parallel running between them, now that I think of it. Matt, if anyone, has had his life taken apart as much as Castle. Yet he's come out of it, not unscathed but not dead (or almost, depending on the writer and story) inside like Frank. If not for grace of God I'd be him, and all that.