t’s predicated on the fact that when you talk about “appropriate topics,” they usually turn out to be boring and shallow. There are only so many interesting things you can say about work, the weather, grocery shopping, and ice skating. We stay on these topics because we feel like anything more and we are invading people’s privacy and secrets. It’s not true, but it’s a mental barrier we place on ourselves to err on the side of caution, not realizing that the window of appropriateness continues to shrink.