Answer:
What is the word that even in plain sight remains hidden?
Slang for the male half in a marriage.
What has black spots and a white face, is fat not thin, and helps you to win, but tumbles all over the place?
What has been around for millions of years but is never more than a month old?
What comes down but never back goes up?
I am a room that has a roof but no walls. What am I?