The document summarizes Habit 4 of Stephen Covey's "7 Habits of Highly Effective Teens", which is to think "win-win". It explains that win-win is an attitude where both people can win rather than being competitive or weak. It advises avoiding win-lose, lose-win, and lose-lose mentalities. It also recommends having personal security, not competing or comparing, and avoiding negative obsessions to cultivate a win-win mindset.