I have found one solution. Take time off, like 6 months or a year. You need to take so much time off that you start to get excited by the idea of going back to

I have found one solution. Take time off, like 6 months or a year. You need to take so much time off that you start to get excited by the idea of going back to work. Do anything in the meantime. You could work a shop counter, travel, play video games. Anything that awakens even the slightest interest. The idea that that some motivation circuit in your brain has fried. This happens when you spend too much time forcing yourself to roll the proverbial boulder up the hill just to see it come back down again. Your brain will heal itself, but you need to stop rolling that boulder first.