This article is published by AllBusiness.com, a partner of TIME. By Krish Chopra It was 11 p.m. on a Thursday when my phone rang—again. Another nurse practitioner student was overwhelmed and panicked ...

We all have people with whom we struggle, problematic people who seem to drain us of our energies, rub us the wrong way, poke, provoke, frustrate or trigger us. What’s really happening when we find ...

It was 11 p.m. on a Thursday when my phone rang—again. Another nurse practitioner student was overwhelmed and panicked about losing a preceptor (licensed nurses who guide and mentor student nurses).

Amy Brunell, professor of psychology at The Ohio State University, said that all narcissists have the same core characteristics: entitlement, self-centeredness and a lack of empathy for others.