Your accumulated anxiety needs to be resolved with a doctor's care. Anxiety can present with MS like symptoms and this can muddy the waters for you. A neurologist would need to treat your anxiety first and then examine any remaining symptoms. A doctor can also assist you in identifying anxiety triggers.
I have found that if you count your daily blessings, pretty soon you will find that God is in control and your worries are something that are needless to carry. If you have a hobby or some other constructive outside interest (music, art, gardening, carpentry, etc), you might be able to redirect your anxiety and allow yourself some room to grow. Some patients with severe anxiety are finding help with the addition of a PSD- Psychiatric Service Dog. There is something to having an unconditional loving partner who is always by your side. Many PSDs can sense anxiety or stress and help you take the focus off the stress. This is something that you will have to be proactive daily to erase the long period of anxiety you have been carrying. Local support groups might help you too.
If the twitching is anxiety related, the cold compresses might have a placebo effect, but because there is no neurological impairment, your anxiety needs treated,