Characters
Look at that--red, green, black! It's like having four pens in one! What a wonderful time to be alive, eh?
— Louis Bamberger

Behind the line May contain spoilers.
Our reading
An editorial interpretation.
A pen with several ink colors inspires an enormous burst of enthusiasm. A small convenience becomes a reason to celebrate being alive. The humor comes from the size of that reaction, whether it is sincere or exaggerated.
Context reviewed