Memory evolved (at least in mammals) to tie together places, smells and [proto]emotions. The connection is still quite present in humans. There are many examp

Memory evolved (at least in mammals) to tie together places, smells and [proto]emotions. The connection is still quite present in humans. There are many examples: going for a walk clears your mind more than being indoors. Smells and flavors reconnect to places & so on...