Headaches. I've got enough of them already yet they keep multiplying. Today, however, I think I finally put two and two together. I may have figured out how to tell I am getting a bad headache. This morning I woke up, not in a bad mood, but just lethargic and a little irritable. I couldn't place my finger on it, but I knew that I just wasn't feeling too well. I also remembered that only a few days ago I felt the same way. I just chalked it up to exhaustion, lack of sleep and stress. ...