The young secretary was describing her evening's exploits to a friend.
"After dinner" she said "he wanted to come back to my apartment but I refused. I told him my mother would worry if I did anything like that".
"That was smart" her friend said, approvingly, "then what happened?"
"He kept insisting, and I kept refusing," the secretary said.
"You didn't weaken your resolve did you?" asked the friend.
"Not one bit. In the end, we went to his apartment.