Answer:
Two in a whole and four in a pair. Six in a trio you see. Eight's a quartet but what you must get is the name that fits just one of me.
I soar without wings I see without eyes. I've traveled the universe to and fro. I've conquered the world yet I've never been anywhere but home.
A necessity to some, a treasure to many, I'm best enjoyed among pleasant company. Some like me hot, some like me cold. Some prefer mild, some like me bold. What am I?
I travel in a gaggle.
I come in variety of colors and am found almost year round. My house is tall and my only fear is the cold. What am I?
Almost everyone needs it, asks for it, gives it. But almost nobody takes it.