Follow Your Bliss+description

Beyond his part in influencing George Lucas during the creation of Star Wars, mythologist Joseph Campbell is probably most popular for the phrase "Follow Your Bliss." What in the world does this suggest? It has been interpreted to mean, and repudiated as, "do whatever you like," and also allegedly reframed by Campbell as "follow your blisters." But it probably isn't bliss vs blisters. The road to understanding by way of this idea is probably bliss and blisters. Where else does this trope appear, so it may be tracked back and forth in order to see the pattern's impact upon y/our lives and thinking?