Signs that we have arrived...

like looking for the list which was supposed to remind us of the things to do; going into the kitchen or bathroom and wondering why you are there; looking for your car in a multi-storey carpack but not finding it; and so on and so forth. To improve our memory or at least to prevent dementia, gingko or 'park ko' has been suggested, while mental exercise like mahjong or sudoku is supposed to help too.

This singer sings about it but he is definitely not suffering it: