>>24545407The brain is weird.
The brain is so weird it associates memories with external stimuli unrelated to the memories but that were present in the background while the memory was being created.
To that end, find a hard candy with a particular flavor. Suck on the hard candy while studying a piece of work you need to recall later for a test or something. When taking the test, pop a piece of the same candy in your mouth and you will remember what you studied substantially easier because your brain associates that flavor with the memory.