I'm going to put all the blame on prednisolone and not on senile behaviour. Have you ever purchased something at the end of a season sale and then forgotten about it completely, not even remembering when or how you purchased it?
I'm now getting used to opening cupboards and finding unexpected items. A couple of months ago I took out a summer jacket and found another unknown jacket beside it. My husband bought me a lovely black handbag as I hadn't got one: but back at home, what a surprise! There were two black handbags waiting to be used. On Christmas day I took out my smart padded winter coat. But what was underneath? A brand new beige padded jacket with lots of sale tickets on it. The final surprise was on taking out my favourite shoes last week, only to find not one, but two brand new identical pairs wrapped in tissue paper.
Now I know it wasn't Father Christmas , so it must have been pred. These 'discovery'' events have been really amusing and I know I will find a use for all these objects eventually. But I really would like my brain back again.
Wishing you a clear-minded new year with no confusion.