I am temping at the sister company this week. I am fairly familiar with it as been coming here on and off for a year, I had a migraine this afternoon but only had an hour left of my shift so didn't say anything. My colleague asked me to do something really simple , I was previously returning bowls and trays to another room. She then asked me to ' Go and get the tray with the cutlery in it that goes into the dishwasher' and I ended up giving her something completely unrelated. She looked a bit impatient so I apologised and she said it was fine and someone else came to help and was laughing about it. Not in a bad way but in a 'Oh, you are dozey kind of way. 'When I left for some reason I cried a bit in the staffroom as they were still chatting about it and laughing. Now I am worried about making another stupid mistake and them thinking I am really useless. The work environment is such that people complain a lot about one another and although they all say they appreciate me, I worry that now if I make another mistake, they will think differently.