What should you write about? How can you find the inspiration for a new article or a new diary post? What is capturing your attention and is worth of further thought? What deserves to be put in words for somebody else to be read?
Build the habit of writing, every day to enjoy the benefits of improved communications skills and confidence while producing useful content.
There are many reasons for you to write. Some of them are rational, useful and motivating. Others are irrational, detrimental and generated by your biased way of thinking. The success of your efforts lie in which one of them you will choose. Why do you want to write?