Answer:
What do you call the mother-in-law of your sister's husband?
The distance from the top of your head to the floor standing up straight.
What can travel around the world while staying in a corner?
It’s so fragile even just saying its name can break it. What is it?
What Can Fly Without Wings
Though not a plant, has leaves. Though not a beast, has spine. Though many wouldn't need this thing, It's more valuable than wine.