Answer:
I am owned by every man, though my length differs. Their wives use me after getting married. What am I?
What belongs to you but others use it more than you do?
There's a one-story house in which everything is green. Green walls green windows green doors. What color are the stairs?
I will disappear every time you say my name.
I am one with eight to spare, lest I lose my one. I'm not a number. What am I?
The answer I give is yes, but what I mean is no. What was the question?