So you have wrapped up your story it's done and you think "What else do I need to do?" Reflecting on your work helps you get better and set goals for you so that you can achieve them next time. It helps you recognize your mistakes and learn from them.
There are lots of different templates for this that you can find but SMART Goals are always great when you are planning your next story but getting a buddies Feedback and Feedforward as well as your evaluation gives you two perspectives.
SMART Goals template: