pressure on the bridge of my nose.
Guess that means a bit stressed.
Is that your sign? I've never heard of that one before. Don't like that you're stressed, but that's cute!
I get it in the back of my neck and my lower back.
I get it in the form of a twitchy eye 
I sometimes have a

for days on end. One time I think I had it for two weeks straight, and it was indeed during a stressful time.
Another time, when my OCD was about as bad as it's ever been, I had big raised pink patches of eczema on my right arm,
caused partly by increased hand-and-arm washing but almost certainly worsened by the anxiety.