The night went on fairly normally after that; they ate popcorn, drank soda, talked a little, and enjoyed a few movies.
About two-thirds of the way through their second movie, a very good one by Tarantino, one of the girls' favorite directors, and an eighth of the way into her fourth soda, Rachel felt nature call. She nearly stood up to go to the bathroom when she remembered that she was wearing one, so she settled back comfortably into her seat and let the floodgates open. A look of enormous relief washed over her face. Had Amber noticed this, she certainly would not have stuck around for the remainder of the movie.
But she didn't notice, and thus continued to watch the movie, which finished without interruption.
As the ending credits rolled, Amber turned to Rachel and asked, "What do you want to do next, watch another movie, or something else?"
"I was thinking something else first..." Rachel replied timidly.
"Like what?" Amber cautiously asked, knowing nothing good could come from her friend, dressed like she was that day.
"Could you change my diaper? Pretty please?"
Amber was silent for a long while before she replied...