I'm a nurse too and its totally impossible to work those shifts with anxiety/ depression. Its hard enough healthy. He would do well to develop some empathy. What he said was awful and not supportive at all. Im angry on your behalf. I wish I could give you helpful advice. I was depressed a few years ago and also could not work. This has nothing to do with being lazy. I'm sorry but lazy people don't get through nursing school. I hope you feel better soon. Hugs