By taking your thought and putting them down on paper (or on a screen) may feel like a release for you. They are no longer just part of your mind, they become tangible. In some ways, this may allow you to free them from within, to see them for what they are (or mean). It also gives you the opportunity to share them with others. It is a given that at some point, you will struggle to express and articulate what is going through your mind but if you can relate to something written by someone else, your thoughts make sense and you suddenly realise that you are not alone. The power of the written word is so underestimated.
See what Love, Laughter & Truth has to say on his blog about why he writes.