You should write
There is more than one reason to write.
If you are thinking about something all day, and then suddenly, a light bulb goes off, chances are, you could help someone have a similar experience if you write about it.
Writing allows you to spread ideas worth spreading. But it does something else as well:
In your attempt to teach others, communicate your ideas, and help people change, the person who might benefit most from your writing, is you.