What i can suggest to you from my own personal experience is to go over parts of the paperwork that you were given at the workshop. I go over it most nights despite knowing so much off by heart as it pays off to keep the structure in your mind and subconscious when you go to the gents.
The best thing for you by the sounds of it is to revise the bits you found helpful in my message. If you can do that every night then great, but it's ok to go a night or two without reading any of the paperwork as long as it is just a night or two.
Remember, gaining control of your paruresis is a process.
Good luck to you!
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