his partner 's got no idea what the hell 's going on ; he 's like this ' - miles mimed a man turning his head from side to side in astonishment - 'and steve 's bent double , pissing himself , because all we can think of is the last time he was holding something steady for me to blow into , which was nigh on twenty years ago , and - ' 'it was a blow-up doll , ' said samantha , unsmiling , dropping back into her seat beside miles .