Well it won't be here for a few days and I'm trying to react to CB immediately after it happens (or almost immediately. I know he went to sleep after we talked so I figured I can think about the email for a little cause he'll read it in the morning anyway).
I tried to draw a boundary, in a calm, non-anger-inducing way. I also tried to give recognition for positive things to encourage them.
Accept that there is only one thing you can change in life and that is you