From the Hacker News thread
A step-by-step instruction by the author, twitter.com/michellehuang42/status/1597….... See also an earlier attempt by another person, "Talking to Myself or How I Trained GPT2-1.5b for Rubber Ducking using My Facebook Chat Data Using only Google Colab", svilentodorov.xyz/blog/gpt-15b-chat-fin… (Jan 2020). Personally, I think that this technology has great use for (auto)therapy.