history: My coworker forgot to turn in the paperwork to switch our on call weeks. He ended up costing me $250! I'm so mad!!! My coworker forgot to turn in the paperwork to switch our on call weeks. He ended up costing me $250! I'm so mad!!! Oh my gosh! I would be furious as well. 
current: He's such a worm. I can't stand it.
next: I am sorry that happened. Don't do him any favors.