I found the source of my headache. It's my head. That's apparently where the pain starts. Where it ends? With death, I suppose. Which would make this the path of life, jutting from my forehead like some other thing that leads inexorably from my forehead to the grave.
(Oh, surely there must be something else which does that. And when you think of one, you'll see it's the perfect analogy.)
Management turned down my request for a punching bag in the breakroom. Think they'll approve a guillotine?