Unhealthy relationship with caffeine. An added feature of aging is wondering if a headache is from withdrawal or some kind of cancer. My right leg hurts when I rest the left across the right—am I dying? More quickly than expected, I mean. What’s the expected rate of death anyway? If eighty years is the average lifespan, rounded of course, and time feels like it grows shorter as we age, does that mean we’re accelerating toward death? Ergo, faster than expected. Especially since all of th...