One of my favorite words in the English language is "and." You can be a student "and" an athlete. A banker "and" a painter. Even a college professor "and" a bass player. "And" makes it possible for us to have a "calico" career and lifestyle: All of the "colors" in our lives can run in different directions and shades while still creating a useful "coat" for our career and hobby body and soul. However, just as the cat above is running out of white space to fit another endeavor, we can run out of time, energy, or overall space for that next endeavor. We can't (or don't want to) give up our existing patches, but we also feel the need to make a place for the new creative output. At this point, we seem to have three choices: A. Give up on the new project (not desirable). B. Give up something existing to make room for the new colors (could be desirable, depending how attached we are to the exist...