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I tend to have periods in which I do journal-only writings and some others during which I tend to write more abstact stuff. Overall, that's not more than 15/20 minutes of writing session. I don't considef it too much, although sometimes I stop way before the 15 minutes (particularly if the day was a boring day). Unfortunately I understood too late the importance of writing routines, thus I now simply try to keep up with the "action" of writing, the content often flows as a consequence. I'm now going through a particularly dense period with regards to feelings, emotions and understanding of myself: that habit helps me writing down what otherwise would be simply random noise in my brain. That's terapeutic more than anything else.
The balance journaling-thoughts is often associated with the kind of books I'm reading during that specific period. Novels trigger my journaling tendency more than essays, whereas essays tend to trigger some reasonings related to the essay topic. Overall I always try to put in some journaling words anyways...I like the idea of being able to retrieve feelings that I had in the past. To me it's like having a shelf full of freezed timestamps, like insects in amber.
I don't have a standardized way in which I organize my writings...they're sort of "lines lakes" where I throw stuff. When I feel that a specific topic is taking too much room in my journaling notebook, I move to markdown files and I try to form an organic and more organized short article about that topic.
As of now I don't publish stuff I wrote because I see that as too personal, I may change idea in the future. Writing only for myself makes writing a rest activity, If I where to publish stuff I would have to edit and rewrite most of the things I wrote.