Publishing shouldn’t be stressful. It should rather be some kind of hygienic procedure.
It’s published, it’s out of your mind - start something new.
I am trying to prevent to run in any over optimization.
Eventually helpful: consider how other (serious) artists (John Frusciante) are dealing with this topic: RHCPeppers Guitarist John Frusciante Uses Two Elektron Boxes to make latest albums - #5 by waftlord
Music is art - and freedom to do what YOU want to do!