This is some of the best pain I've ever inflicted upon myself.

I have a headache.  My lower back is killing me.  So is my upper back, and pretty much all the middle part, too.  My shoulders and neck are stiff and my legs are sore.  In general, I have that feeling you get the day after a minor car accident.

Of course, I wasn't in a car accident.  I just went running for the first time in over a year and a half.

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