I talk about a lot of things (e.g. working without estimates, not using up-front "requirements," the user's story, &c.) that can be challenging. I've a class coming up in three weeks [Practical Agility: From Stories to Code -- https://holub.com/classes] that covers all these topics, and more. Check it out!

Source: x.com/allenholub/status/1823780904457920627