In olden days, when the gods were wont to take on human form and tarry with mortals, the Norse god of thunder, he of the hammer Mjolnir, espied a comely young Norsewoman and betook him to her bed. Being a god, he was able to ""bring her to Valhalla"" seven times over the course of the evening. In the morning, he says to her, ""Mortal woman! It is only meet that thou shouldst know with whom thou hast lain. Therefore, look upon me and know that I am Thor!"" The girl replies, ""*You're* thor? *I'm* tho thor I can hardly thtand up!""