You can feel it, subtly, in each interaction. Some chatbots really want you to keep talking, and if you're looking for validation, that's what they'll provide. Here's a really interesting (relatively quick) read from Futurism on how chatbots' interactions sometimes go bad when people who are at-risk for mental health issues interact with them in a vacuum. https://futurism.com/commitment-jail-chatgpt-psychosis