Suddenly, people like me, on the long-haul to solo self-recovery from "mystery" illnesses find we are not all alone in here. Amidst the sea of people embarking on the bewildering covid long-haul recovery path, I'm hearing such a lot of talk about syndromes that are painfully familiar turf. So, what would I share with anyone at the start of such a journey and what does (or will) the coincidence potentially tell us about chronic fatigue, fibromyalgia, PoTs, MCAS and a whole load of other overlapping syndromes? Here begins the mass learning curve!