Many people who say they want to change don’t actually want to fully transform themselves from caterpillar into butterfly. They want to get the benefits of being a butterfly while still holding on to their caterpillar body. They want to be flying caterpillars.
Based on this Adyashanti talk:
http://www.youtube.com/watch?v=5-Cs6Tmw5us&list=PL8398AFFC1CED84FE