and youre already going away together ? by that i knew he meant the norms . `` the first thing we have to do is get out of here safely . '' there are n't any other girls , but you . '' sometimes a wave lasts half an hour , sometimes three days . `` it was a crying shame , '' he mumbled . he crept out the back of the shed and decided to move towards the barn that was near it . a second door opened in the air alongside the first . 