A closer look
Due to the effects of gravitational time dilation outlined in general relativity, your head is slightly older than your feet because it is further away from the Earth's center of mass; while this difference only amounts to a few nanoseconds over a lifetime, it technically means you are constantly stretched across different temporal zones, which perfectly explains why your brain always feels prematurely exhausted while your legs still stubbornly insist on anxiously bouncing under the desk all day, ultimately proving that gravity is just another invisible force quietly ruining our posture and artificially aging our faces
