When Arnold sees Miriam drop Helga off at school, he assumes she got her driver's license back. This is one of several instances throughout the series pointing to Miriam having a drinking problem.
The song in the commercial Miriam was shooting, "Beepers Are A Girl's Best Friend", parodies the song "Diamonds Are A Girl's Best Friend."
It doesn't just parody the song but Marilyn Monroe's entire production number from "Gentlemen Prefer Blondes".
Physician's Hospital, the soap opera Bob watches, is a parody of General Hospital. But the names he mentions ("Meg" and "Colden") resemble characters from As the World Turns.
Moral: Running a business is important, but don't let work take over your life to a point where you neglect your loved ones.
