For a time, I could feel that I was so exhausted that even the marrow in my bones was tired. I would feel it sitting slumped on an inner bench, unable to plump its pillow-like self to pink. I needed rest. Perhaps it took my getting sick to give myself the rest I needed to fully heal.
I find this article fascinating. http://www.nytimes.com/2009/04/28/science/28angi.html?_r=1&th&emc=th
Hug a friend. Release serotonin and oxytocin. Hug your bones from the inside out.