Content warning: This article discusses mentions of abuse. We often think we can immediately recognize the signs of an unhealthy relationship right away — until it happens to someone close to us.

Dear Eric: I have a friend I’ll call “Sally.” She is in her mid-50s and is single with no kids. Both of her parents are deceased. Prior to her mother’s death, she quit her job to care for her. Once ...

As part of my recent academic sabbatical, I spent some time at Harvard Business School with mentors and collaborators. In one conversation, a junior faculty shared a puzzle from her research that ...