I see the couple as being very comfortable with each other. They would tend to be characters that are high brow, but be down to earth in appeal. I don't think the audiences would like them before the code, they tend to be a 'proper' characters.
This clip does show how the producers make films that take the viewers minds off the troubling times of the depression. They want to show a better and fun life to admire. But these films can be frustrating at times. Sometimes one needs to see realism to help cope with the times. The clip shows how it is looks and singing ability that attracts folks, not there minds or personalities. It is like watching elementary students.