Squigly Squigly's Brain Teasers

Question:

What question can never be answered, "Yes?"

Answer:

Are you asleep?

Try another Brain Teaser:

What does man love more than life,
fear more then death or mortal strife,
what the poor have the rich require,
and all contented men desire.
What misers spend and spendthrifts save
and all men carry to the grave?