That sounds really positive Frog, loving the sound of the barrister. In a job I did many years ago we would occasionally have to brief our appointed barrister. It was scary but so interesting, the really good ones had minds as sharp as razors, sounds like you've landed one.
Still grinning about Mr HJM 
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Staple - that crude language in the texts sounds awful. If he's just doing it to get a rise out of you then I guess ignoring it (so difficult) is the only option. As for the slapping, I don't know what to suggest for that. If he leaves a mark I believe you could report him, but not sure of the facts in this area.
Never worry about ranting or going into detail etc on here. That's the idea, just say whatever you need to.
Good to hear you sounding calmer Ohb. I think a court order would be a good protective measure for you and your ds.
Purple you're bound to be feeling a bit shell shocked. Think of what you've just gone through. Like being on a high speed train that's come to an abrupt stop. I know you have several jobs, but try and take it easy when you can, and cuddle your lovely ds. You also need 100% Purple gorgeousness for when you meet up with your man from the course 