Answer:
Touch this and you'll regret it. But if it's cold, you won't forget it. What is it?
I'm a starchy plant tuber that is one of the most important food crops, cooked and eaten fried, such as french fries.
Never ahead, ever behind, yet flying swiftly pastΝΎ For a child I last forever, for adults I'm gone too fast.
You can do this with your friends. You can do this with your nose. But don't do it with your friend's nose!
What is between heaven and earth?
Sometimes I am white, sometimes I am dark. Most people love me. What am I?