[So not only does he have Dorian, he has a backup should his relationship with Dorian ever grow cold. Edgeworth nods, and is finally prepared to answer]

I thi- I thought that you were irresponsible. Reckless. However...

[He taps his finger along his glass, and shakes his head]

You've taken responsibility. Not only that, you've found a way to guarantee that there will be no other... accidents in your future.

[Ha. Accidents. That's one way to put what he's done.]