Mistakes always happen while I'm painting. I've dumped my water bucket accidentally on a face, ruining my perfect eyes, and had my neighbor's dog run into my yard and spill black india ink all over a painting (these things happen to me all the time). .
It can be SO frustrating to make a mistake or to not be able to paint the idea just as it is in my head. But so often it's those mistakes that lead me to new techniques or my favorite painting. - 0 seconds