Answer:
What do you call the mother-in-law of your sister's husband?
I go around in circles, But always straight ahead Never complain, No matter where I am led.
I have joy in bringing two together, but darning my existence! My life hangs by a thread, filled with ups, downs and resistance!
The more I appear The less you see. So riddle me this: What could I be?
This is the main ingredient in spaghetti and Mac-N-Cheese.
I fly to any foreign parts assisted by my spreading wings. My body holds an hundred hearts Nay I will tell you stranger things when I am not in haste I ride and then I mend my pace anon.