Parameters
You wake up one day, just one day out of many, to find your world has shifted on its axis, not a lot, just enough, just enough to drive you mad. We adapt, smart humans that we are, we adapt and it shifts again, unexpectedly, at the least convenient moment, just to spite us.
Like the strongest currents on the bottom of the ocean life takes us, a convenient fast transportation system, the TGV of existence, so to speak. Incredibly fast highways these life shifts are, a huge tree whose infinite ramifications define time, a tree we can only climb looking backwards like an Orpheus opposite without a lyre.
As we advance in wisdom we define new parameters inside this stream we live in, knowing they will always be changing.