Not least because it's a little personally pointed.
Although AFAIK I don't have Alzeheimers, but both of us forget stuff these days. And I do find this kind of humour amusing.
I should probably also point out that the slightly eclectic, rambling words and pictures below were an attempt for me to re-live my childhood memories, visiting the Zoologiocal Society of London gardens at Regents part via canal boat. It was warm (30+ celsius) we got a bit tired and my blogging was less careful and descripive than it might have been.