Active brain in a devil's workshop

I must congratulate myself for having known instinctively and instantly how good and addictive Twitter was because I am hooked

As long-suffering readers will know, I retired from work at the end of November last year. This was the second time I retired. The first was 10 years before that, when I turned 40. I had worked full time for more than two decades at that point and threw in the towel on the safe assumption that I was most unlikely to make a billion or get the Nobel or whatever it is that one aims for in a professional career. And so there was no point in running the race. 

Having arrived at that Socratic wisdom, that first time,