A diary is primarily written for personal reflection, but a contradictory aspect is that when something is written down, there is a possibility that it may be seen by others, especially for handwritten entries. This risks making private thoughts public. In that sense, how do people approach and handle this situation? I used to think that keeping a record of daily events was unnecessary, but lately, I have come to appreciate the value of recording detailed accounts of my daily experiences, including minor events and processes.