This document discusses 13 things that mentally strong entrepreneurs avoid in order to build mental strength. It begins with an introduction stating that mental strength is important for entrepreneurs and can be established by avoiding things that mentally strong individuals avoid. It then lists the 13 things as: wasting time feeling sorry for themselves, giving away their power, shying away from change, wasting energy on things they can't control, worrying about pleasing others, fearing taking calculated risks, dwelling on the past, making the same mistakes over and over, resenting other people's success, giving up after failure, fearing alone time, feeling the world owes them anything, and expecting immediate results. It concludes with thanking the audience.