I've been having a very stressful few weeks -- work, family, etc. Also last week I had some kind of stomach bug and was eating little for a few days. It seems that since last week, I'm a size skinnier...I can tell from the notches on my belt. Also this week (which is very stressful at work) I'm feeling tired, tense, sometimes lightheaded. I wake up tired. And I've had a funny feeling in my stomach too. Not like pain or real discomfort. But as if someone is gripping my insides. Sort of like muscle tension inside, if that makes sense? Please let me know if you've ever felt something like that... Can all these feeling be stress and anxiety related? I'm finding myself in a very bad cycle of anxiety.