[Jim's tone is so light and unconcerned that it's almost like he didn't spend hours trapped in a surreal nightmare world.]
These things happen. Don't worry about it.
[There's a very brief pause, then he adds:]
I'm sure I don't need to tell you this, but it was nothing personal. This doesn't change that, as far as I'm concerned. I hope you got some catharsis out of this, but in my experience, revenge is an impractical enterprise. I won't pursue any against you.
Private
These things happen. Don't worry about it.
[There's a very brief pause, then he adds:]
I'm sure I don't need to tell you this, but it was nothing personal. This doesn't change that, as far as I'm concerned. I hope you got some catharsis out of this, but in my experience, revenge is an impractical enterprise. I won't pursue any against you.