This feeling

For the last couple of days, I haven't felt well. I don't think I'm sick, but I'm also not well. Today I've not only not felt physically well, but I've felt down and, well, depressed. I've been totally joyless, irritable and just feeling crummy. I got home and immediately fell asleep in a chair, which I rarely do. I've also had some weird stomach stuff going on like nausea, more stomachaches and…