anxiety, stress, and physical aches

I have a few questions for anyone that has suffered from the physical symptoms of stress and Anxiety. I have been DX's with GAD, Slight OCD tendencies, Hypo, and a whole lot of stress. Isn't life grand.

1) After what I can only describe as a nervous breakdown 4 months ago after a medical scare my preexisting anxiety has been terrible. I am getting help, and mentally I am doing much better, but the physical aches and pains are still there, to a lesser degree.
I was curious as to how long it may have taken others to overcome their physical issues after an extremely anxious period?

2) I have read that stress and anxiety can cause TMJ. The problems I am having is a slight ache in my right jaw. random poping and clicking sounds. Pain that seems to at times run from my jaw to temple and head above the ear. I have never been one to have headaches and these don't feel like what I would consider a normal headache. It seems more like muscle pain. I get pain and a feeling of pressure around my right eye in particular. It also seems to hurt the more I talk.

Has Anyone experienced these symptoms as a result of TMJ, or their Anxiety/Stress? I have had to brain MRI's with that cam back normal.

3) Somataform Disorder (Pardon the spelling) Is it real or just a medical term used when the doctor can't find a reason for our problems. Supposedly this is a disorder that causes people to turn their mental anxiety into physical symptoms.

I am not familiar with TMJ but when my anxiety was bad, i would clench my jaw without realising which resulted in bad pain and aching for a week or so. When we are anxious, its very common to clench, grind teeth and we can even do it in our sleep. I sometimes get pressure/tension headaches with anxiety and I get pain in my temples and behind my eyes.

lots of info re TMJ on the net, a football mouthguard or splint from dentist ( expensive) worn at night helps