Fever, in the morning... Fever, all through the night...

I don't really know what is going on, but for the past few weeks I feel as if I had a fever...  all the symptoms:  my muscles ache, my ears are zooming, and I feel I'm boiling.  But here is the funny part:  sometimes I actually do have a temperature, and sometimes I don't -- yet I feel the same pretty much all day long...

It could be stress-related, or maybe I'm dying.  If that's the case then "give my love to the world" in the famous words of... does anyone know??  Here is a hint for those who love Google as much as I do:  You had to have walked through the Bonaventure Cemetery in Savannah, GA.