The video provides tips for preparing for nerve-wracking 1:1 sessions during product design interviews. Interviewers may use behavior and situational interview techniques to evaluate your past performance. The video recommends using the S.T.A.R framework to answer behavioral questions by describing the Situation, Task, Action, and Result. The video also suggests starting with the main point and speaking in bullet points to help your interviewer follow your story easily. Overall, the video offers a concise, easy-to-follow guide to preparing for product design interviews.