Happiness is the Main Thing (German: Hauptsache glücklich) is a 1941 German comedy film directed by Theo Lingen and starring Heinz Rühmann, Hertha Feiler and Ida Wüst.

The film's sets were designed by the art directors Rudolf Pfenninger and Ludwig Reiber.

A poorly motivated employee gets married and becomes even lazier.

His wife takes the initiative to change things for the better.

This article related to a German film of the 1940s is a stub.