Answer:
This guy crossed a road and everyone wants an explanation.
No matter how little or how much you use me, you change me every month.
I am easy to waste. I am unstoppable. What am I?
Until I am measured, I am not known. Yet, how you miss me when I have flown. What Am I?
I have branches but no fruit trunk or leaves. What am I?
Though not a plant, has leaves. Though not a beast, has spine. Though many wouldn't need this thing, It's more valuable than wine.