This isn't a letter, it's a gift.

All his words and actions would now be fit for his daughter’s ears and eyes. Life would be lived as if under [her] constant scrutiny. He would never do anything that might cause her pain or anxiety or embarrassment and there would be nothing, absolutely nothing in his life to be ashamed of anymore.

...and once again Dexter is struck by how easy conversation can be when no-one is in their right mind

I identified with Pip from 'Great Expectations,' especially when I was younger; I had the same kind of gaucheness and uncertainty.

And you stupid, stupid woman, stupid for caring, stupid for thinking that he cared.

I'm trying to be inspiring! I'm trying to lift your grubby soul for the great adventure that lies ahead of you!

She used to pride herself on her refusal to see two sides of an argument, but increasingly she accepts that issues are more ambiguous and complicated than she once thought.