Answer:
If you have it, you want to share it. If you share it, you don't have it.
What has four legs during the dayอพ and six or eight during the night?
A time when they're green. A time when they're brown. But both of these times, cause me to frown. But just in between, for a very short while. They're perfect and yellow. And cause me to smile.
You throw me out when you want to use me and you take me in when you don't want to use me. Who am I?
This is in a realm of true and in a realm false, but you experience me as you turn and toss.
If itโs information you seek, come and see me. If itโs pairs of letters you need, I have consecutively three. What am I?