How can I cure myself?

Hi,
I would like to know if somebody knows what would be the best way for me to cure myself. I suffered froma harsh rejection a few time ago and now I feel really weird. I have read that every present wound goes back to our past wounds and is amplified by them. So now I have a weird sensation in the body. I feel like I am made of ice or metal. There is really this sensation of stone within my body.
I clinch my jaws. I have weird shaking sensations in legs and arms.
I know its a physiological reaction to psychological stress but how can I get rid of it?
Thank you!