Adam Ondra, writing about his efforts on La Dura Dura for La Sportiva:

As I felt so strong, I decided not to take another restday, and try the very next day. Lowering off the pressure, taking it less seriously. But from the morning, I had doubts about this decision. My forearms were a little sore, Chris typed me a message that he was taking rest as he felt sore. But I persisted.

For me this is one of the big takeaways from this send that can be relevant  for all climbers, not just mutants.  It took me a long time to realize this—and in many ways I still struggle to harness this knowledge—but oftentimes success in climbing comes at times when your mind least expects it.