Well, the difficult emotion is often some form of fear. Fear of failing, of making a mistake, in some cases, of making the problem worse. All of these fears are in a fundamental sense legitimate, but the direct solution is, insofar as it is possible, to prepare and practice. The alternative is to tackle something even harder that includes the thing you want to make as a special case. This is a recent discovery of min…
Recognize that procrastination based on avoidance of difficult emotions is likely as unique as each individual's emotions.
I'm glad you found a solution for yourself, but please do remember how unique each person in the world is.