The instant someone discovers you work with computers, their brain immediately jumps to "tech support wizard who can fix anything with a power button." The selective hearing kicks in - they start the question, you're already mentally disconnecting. Ten years of building complex systems and mastering three programming languages, but Aunt Karen still thinks your primary skill is resurrecting her 2007 inkjet printer that's been possessed by demons since Windows Vista. The modern programmer's defense mechanism: develop the ability to tune out any sentence that begins with "Hey, so you study computers right? Can you fix my-"