It's only when you're told that you're going to be working on this problem, and then you start procrastinating, but the task is still active in the back of your mind, that you start to incubate.
É só cando che din que vas traballar neste problema, e logo ti comezas a procrastinar, pero a tarefa permanece activa na túa mente nun segundo plano, entón é cando comezas a incubar.