I thought it was quite sad actally. Seems he was basically saying, he wants to kinda stay in touch with you, know you are doing ok in life and was taking an interest (like suggestingn you might enjoy the half marathon). I didnt take the bathroom thing as an insult/dig, I read it as wry attempt at humour, to lighten the mood after a revealing email (m,uch like the closing "cheers!"). I also thought it interesting that he acts like a cat..to keep his decorum. Seems he is afraid of looking foolish or being shot down in flames. I also liked that he thanked you for being there for him for the past 8 years. This is a guy that had a fragmented family, right? (his Dad has had alot of partners?)
I like that he is honest that he doesnt like that you stay friendly with his family. Alot of guys dont like that when they have moved on, I know a guy who feels uncomfortable his ex of 10 years ago still comes to the UK from the US to see his friends (she even tagged along with them unbenown to him to the Church when he got married !!). But its not because you still hold out hope, its cos you are close to MIL and FIL and SIL, right ??
Generally he seems like a guy with a lot of issues and stuff to work through and I'm glad for you that you have moved on to something easier and more rewarding with R. Things never look right in writing of this nature, you cant judge his inflection or look in his eye, but at least he admits he was wrong in several places and was unfair to you in his reactions. Seems to me he has been doing some reflecting on it all ..?
xxx
Me:40! H:37 Together: 12yrs IDLY & left 11/07 ADs 03/08 OW 8/08 Reconciled 05/09 now married! my thread