Read "How to Win Friends and Influence People"- its old but human interaction hasn't changed that much. Its also just a matter of practice- as I'm sure you kno

Read "How to Win Friends and Influence People"- its old but human interaction hasn't changed that much. Its also just a matter of practice- as I'm sure you know from ML, no amount of reading can substitute for trying something. I also like "Never Split the Difference"- although its on negotiation specifically, I think much of the book applies broadly to building rappore.