When I have a moment and feel the urge. I definitely treat it as a passion thing: if I feel the passion I jump in and work as hard as I can for a few days in every spare second I have. If not then I play video games or scroll through Twitter or doodle in my journal. I never force myself to work on side projects. I don't need any more "you must" responsibility in my life, I have enough already!
That's interesting. I often try to reduce the number of projects I work on. And I can't imagine how many ideas I've had for different projects.
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