It’s hard to know when to do this.
If you’re finding it difficult to make decisions, it’s probably the right time. If you can’t see woods for trees and your thought patterns shift towards negativity in the creative process, sometimes the most advisable thing you can do is take a step back to allow yourself to breathe, and come back to it with a fresher perspective.
We can be desperate and full of desire to see things through, but sometimes this requires us letting those things breathe before we go through the final steps to ensure our work is done.