I reckon that trying to fight things just makes you more stressed out. There are ways to cope - can you change your daily lab routine in any way? You'd be surprised how much taking control of little things makes you feel more confident. Isn't it true that you can submit for a PhD after two years if you have enough material for a thesis?
oh, and here's something else, some song lyrics "This is a low, but it won't hurt you. When you're alone it will be there with you, finding ways to stay solo..."