A common expectation may well be unreasonable. In my opinion it is unreasonable to expect friends not to share private information about you. And I see a lot o

A common expectation may well be unreasonable. In my opinion it is unreasonable to expect friends not to share private information about you. And I see a lot of evidence, both in my life and from observation of other people, that people consistently underestimate the probability of friends breaking that trust.