Did you know? Every day the heart creates enough energy to drive a truck 20 miles. In a life time that is the equivalent of driving to the moon and back. So when you say you love some one "to the moon and back" you are essentially saying you will love them with all the blood your heart pumps your whole life...
Pretty awesome, don't care if it is factual or not! The story, How much do I love you was one of my kids favourites....and mine.
RE: How Come??
Have my doubts as to you being shy, but disagree either way. Shy guys are far cuter and more gentlemanly and pleasant to be around than a bad boy