I've got the flu - blah. Last night I was getting sick, and this morning I am completly sore. I don't get why I am so sore.
It's common with the flu. The body ahces that you are expierencing are just a side effect of your immune system trying to fight off the germs or pathogens. So it's really a good thing - it means your body is fighting off the flu.
You've got the flu, so your bodies trying to get rid of that. Your achey because its normal, you ever somtimes get it with the common cold, I did at xmas it'll go away in due time.