I agree with nammu and yoda. You need to go back and talk to them. Also you might ask how others get through their shifts with ease some of them might have some tricks

I worked with doctors and sometimes they would come in and yell at me for stuff that wasn't my fault. My coworker told me I have to be like a duck and let it roll right off my back like water to a ducks back. It just rolls right off the duck.

You can do this