I can hardly describe the frustration, irritation, urinated-offedness, and general displeasue at ......
[What was it again, I had it at the tip of tongue, front of my mind, just a moment ago, it can't have gone far (there is not very far to go these days). Oh, I remember now].
...... going upstairs to get something and then not having the faintest recollection of what it was I went for. There are only a limited number of times that you can comfort yourself by some joke about "senior moments".