How Deep Is Your Love?

Keith: I love you this much. (Shows about two inches with his fingers.)
Sam: I love you this much. (Stretches out his arms.)
Keith: I love you THIS much. (Stretches out his arms.)
Sam: I love you from here to the moon AND BACK.
Keith: I love you from here to the Sun AND BACK.
Sam: Haha, hohoho. That would melt my love!