Last week, the tragic news broke that US teenager Sewell Seltzer III took his own life after forming a deep emotional attachment to an artificial intelligence (AI) chatbot on the Character.AI website. As his relationship with the companion AI became increasingly intense, the 14-year-old began withdrawing from family and friends, and was getting in trouble at school. In a lawsuit filed against Character.AI by the boy’s mother, chat transcripts show intimate and often highly sexual conversations between Sewell and the chatbot Dany, modelled on the Game of Thrones character Danaerys Targaryen. They discussed crime and suicide, and the chatbot used…