however- there was a sudden knock at the door . they were familiar because they were exactly like the ones i had seen before ... that day in the second hand shop . he did not want to be caught . she walked over to the office , hesitated a moment , then opened the door and stepped inside . `` she is n't insisting upon yellow velvet , is she ? '' `` where did your pants go , cowboy ? so i can check to see that you 're home safe ? '' 