Have you tried something like swimming, Fear? Just something less intense to build up to the big stuff?
I do want to talk to the brain ache man, because I really want to know if there is any newer research as to why these flair ups happen. It might be the training, but I can't see how there can be delayed reactions to the things I do, if it is going to 'get me' it should be when the csf is raised and that is quickly.
!
Is he just plain ignoring you is it it due to COVID and him being over stretched with other things?
I know you paid for your own MRI, so it would be nice if the 'expert' could cast his eyes over it and offer an opinion, and as you say things may have moved on, they often move on quickly in the medical world.
Keep calling mate and don't take no for an answer. Not on really.
Have you thought about taking up knitting to kill the time?
I don't know whether to say well done or smack you!!!!
I hope it works, but please take it easy.