Just then, they hear the front door open and close. It's apparent that Sarah is home from work. She pops her head in the recreation room and says, "Hi, am I interrupting or can I come in?"

Marsha says, "Sure, Sarah, come in and tell us how your day went."

"No, I would rather not take away from your experience. Having had it yesterday, I know I shouldn't do that. Maybe I'll just watch for a few minutes and learn something."

Justin says, "You can watch if you like, as long as mom is comfortable with it." Marsha replied that she was, and Sarah took up a position opposite Justin...