Life flows like a stream

Just as a river flows from upstream to downstream, so life flows from birth, until it reaches the sea

There are no exceptions

Some are faster, some are longer, and some are deeper, so no two lives flow at the same pace

This is the natural order of things

A person rides on a boat

Riding alone, towards the sea, over uncharted rapids

It is what it is

So, it's not a sad thing

It's not, most likely, something worth regretting over