- Risky: "Other people can let us down, insult or humiliate us, leading us to feel diminished and in danger."
- Helpful: "Yet we need other people to tell us when we have got our guesses right, and, when we get things wrong, to help us make more accurate assessments."
These two contrasting examples are marked as a key idea by telling us how bad and good friendship can be, and they have both advantages and disadvatages.