Dear health, I am not sure quite what to say to you, as I have never written a letter like this before but I will try my best. I find you very odd; I experience so many fluctuations in my health and how I feel, and the severity in which I experience the symptoms that you cause me.  These fluctuations not only change day by day, but can also change hour from hour, or even minute by minute!!  And it's these fluctuations...