I used to spend protracted hours in the studio making music. I remember I couldn't drag myself away. It really affected my health, sleep, eating, job... not good.
I think it's like an addiction. Treat it as such. It makes me think of gluten intolerants being addicted to wheat. Examine the undesirable qualities of the activity. Bring self awareness when you are engaged in the activity. Learn the point at which it is no longer fun and then quit. It's a matter of bringing will and awareness together. If you cannot impose reasonable limits with your time and energy in this particular activity, maybe you should stop it altogether.
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