Possible Clues:

• Events recalled
• People cannot recollect having bad ones
• You're unlikely to forget those in short viral phenomenon with British politicians losing the head
• Thanks for the _______
• Cerebral souvenirs
• Never for getting such things
• Recollections of past events
• Remembered things
• Stevenson's ''gift which cannot be worn out in using''
• Recollections Otterden takes a little while to state without evasiveness