The thing with awesome shirts is that they get worn, get old, and you keep them for a lifetime. When I bought this “Darkside of the Garden” tee a long time ago from a little place online called Threadless, I knew it was one of those shirt designs that I liked enough to keep forever. How can you resist the domesticated Darth Vader architecting the latest Death Star bush? Fast forward over 10 years later and I’m still finding new…