Diary it just seems like a bunch of paper nothing so logical in that but let me tell you. The impact of diary i.e daily or weekly writing diary is so damn lot

1. Decreases the whole day stress and reliefs the mind.
2. Diary helps person to maintain the mental health of a person.
3. Diary is an adorable guide to shape your lifestyle and personality.
4. Gives an analytical analysis and synopsis of whole day even of whole year. Also gives an analysis of time to time changes of persons mindset and better future can be decided on those stats.
5. Most importantly diary is a bundle of glimpse of old memories.
6. Diary act as an nostalgia.
7. To pounce the loneliness From life. Diary is an astonishing and friendly stuff.
8. Diary is a friend that grasp the secrets of personal life and has infinite patience to put them as secret all through.
9. Diary helps us to keep our daily routines, feelings and thoughts.
10. It also increases the thought expressing ability of a person also boosts self confidence.
11. It leads us to know more about ourself and also increase the memory.
12. It also helps us make good decision.

The best example of diary writing is the diary of Anee Frank. A young schoolgirl. Which infact plays an great importance in her life. As a friend, a guideline and a nostalgia. the pain and the hardship of her life and also the regular nostalgic days of her life were kept by her diary. Which is so inspirational to this young generation. All the intellectual people or the great one. Most of them had an diary. Albert Einstein, Nicola Tesla etc. these great oceans of knowledge also do had diary.