Answer:
What goes up when rain comes down?
A disposable item to keep your waste organized.
Never ahead, ever behind, yet flying swiftly pastอพ For a child I last forever, for adults I'm gone too fast.
Take it and you will lose or gain more than all the others.
It's shorter than the rest, but when you're happy, you raise it up like it's the best. What is it?
If itโs information you seek, come and see me. If itโs pairs of letters you need, I have consecutively three. What am I?