Answer:
Both old people and owls are said to be possessing this trait
The barber of New York shave all men in New York. No man living in New York is allowed to shave himself. The barber of Nee York lives in New York. Who shaves the barber ?
What is weightless but takes two people to hold it?
I cannot be felt, seen or touched. Yet I can be found in everybody. My existence is always in debate. Yet I have my own style of music.
Look into my face and I'm everybody. Scratch my back and I'm nobody.
Iām grown from darkness but shine with a pale light. Very round I am and always a lady's delight.