Think positive, Tao. You're breaking the cycle you've been in so it's going to be uncomfortable for a while, but tell yourself how good this is for you; no more sitting around vegitating.
Don't know what kind of work you are doing but I was wondering if a back brace might help you. Just a thought.
<font color=blue>"Our doubts are traitors and make us lose the good we oft might win by fearing to attempt" --Shakespeare</font color=blue>
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Psalm 119:105 Thy word is a lamp unto my feet, and a light unto my path.