I'm so stressed at work and I just want to quit my job and run away so much. It's night now and I just became overcome with anxiety, I feel nauseous and can't stop breathing fast, I just want to sleep but I can't, I feel impending doom and can't stop thinking about all the bad things that could happen. I just want to quit and run away. I'm not good at my job anyway and being overworked is making it really awful, I keep making mistakes, big ones, it's all my fault and the consequences could be massive. And it's too late to change anything. I want to wake up in the morning and quit my job, before I do any more damage.