Your lymphatic system has no pump of its own — it only moves when you move. Most days, you don’t move enough for it to matter. This fixes that in the time it takes to brush your teeth twice.
Most days genuinely don’t have room for a workout, and the guilt about that is its own kind of tiring. Meanwhile your lymphatic system — which has no pump of its own — is barely moving, because you’ve barely moved.
That shows up as low-grade puffiness, sluggishness, and the kind of stiffness that has nothing to do with age and everything to do with sitting still for nine hours straight.
A gym membership requires time you don’t have and motivation that isn’t always there. Ten minutes standing on a plate requires neither.
A full ten-minute session, real time