The dripping... well, if it happens, it happens; it does not take anything from the work. The dripping just proves that you were not trying to control the work, but the work was developing by itself and if it drips, it's a natural part in the evolution of the work.
Don't ever take a shower with a woman, because you'll probably end up proposing to her.
You have to create your own stuff. It's really exciting to create something, sell it, and feel like I'm not just a pawn waiting to be cast.