…ty to determine the emotions of another person and to use this information for building a dialogue. Some needs a visual proof, someone accepts facts and logic, others like the examples of well-known brands. Understanding of other people psychology comes with experience and through observation.
… interrupt you asking questions like — “why is it this color?” or “can we make the button bigger?”. During such moments, just tell that you will return to this question in the end of the discussion, and suggest to focus on solving business problems. This will tell a lot about your work.