An email went out to my entire organization today, congratulating me for 15 years of service. [Let's pause. Let that number sink in.] 15 years?! Oh, no. How is this possible? I cringed. I contemplated running to the mirror to pluck gray hairs. I pictured 23-year-old me walking through the doors of that building, thinking it was temporary, because after all, who pursues a publishing career in Delaware? I thought of all the missed opportunities at other companies, mourned all those books I was going to write, imagined my younger colleagues pointing and laughing at my complacency and old-timey thinking. My stomach flipped. I spiraled. Then my friend -- with whom I've worked for almost 13 years, and who has agreed to stick it out with me until they pick up the building and shake us out -- sent me this article titled "How I Learned to Stop Explaining How Old Things Make Me Feel." It's so darn perfectly, beautifully appropriate for this very moment. No regrets, ...