"Oh who is fair as she is fair, a rose of fifty summers' long...." etc.
The point is, I had totally forgotten. The information had fallen through one of the increasing number of holes in my sieve-like memory. And the problem appears to be getting worse.
A good few months ago (actually I can't remember how many) I was at a workshop on "Mental Healthy and the Elderly" (and before you ask, for the life of me I can't remember why I was there). In the small discussion group I was part of the conversation turned to the difference between straight-forward forgetfulness and the early signs of conditions likely to be more problematic. A friend of mine, who was a senior psychiatric nurse, was chairing the discussion. He claimed that it was relatively easy to tell the difference and that we shouldn't worry as it is perfectly normal to get a bit forgetful as we got older. "So when, yesterday, I was driving through Halifax and came to a roundabout and couldn't remember which way round we are supposed to go, that is perfectly normal then?", said I. "Well that's a relief". Only then did I notice that the room had gone quiet and the somewhat serious look on my friends' face. As we left the workshop a couple of hours later, I offered him a lift back into town. He preferred to walk, he said.
Anyway, all this is by way of an introduction to the main point of today's posting. The only problem is that I have completely forgotten what that is. Sorry.