Heres a bunch of ideas. 1) Reduce your ego. Your are not the project or the ideas that went into it. It's ok to take a step back and revise decisions. It can h

Heres a bunch of ideas. 1) Reduce your ego. Your are not the project or the ideas that went into it. It's ok to take a step back and revise decisions. It can help to document the factors that went into a decision. 2) For me reading a book that actively engages your brain can help. Let's say a book about software architecture or creativity can do it. Brainy books can take your mind out of that dead-end. 3) Go for a walk, or for a run. Put on a podcast. Allow yourself to will drift away. Which is ok, there's not going to be a test.