The first rule of tech support: never fix a family member's computer. Once you touch it, you've signed an invisible lifetime warranty contract. Six months later, they'll call you at midnight because their printer isn't working, and somehow it's your fault because "you were the last one who touched it." That poor soul's face says it all—the exact moment he realized he's now the designated IT department for every future Christmas, birthday, and random Tuesday until the end of time.