In February, the TikTok creator Brittany Panzer posted a video over five minutes detailing the unraveling of her friendship. There was no disagreement, no blowup, not even ghosting. Panzer felt she’d lost her friend to ChatGPT. At first, Panzer’s friend used artificial intelligence for relationship advice and casually mentioned that she’d consulted the technology in conversation. But over time, Panzer suspected her friend was questioning her own emotions, and perhaps the counsel of friends too;