Western honestly, I wouldnt. I don't think in his current mood/frame of mind/being slightly pissed etc he will even take it on board.
I would draft it, save it, and depending on what he comes back with tomorrow possibly send all or part of it then.
For me, it's very important to know that my voice is heard by others, so I wouldn't send it now, because I would want only to send it when I knew it would be seen, understood and (hopefully) acted upon.
Hope that makes sense.
And please don't worry about being self obsessed, it was established about 20 threads ago that I am the queen of whiny self-obsession
, you have an awfully long way to go to catch me up!