Bed and Board 1970

The original title of the film is Domicile conjugal
The film is part of the Antoine Doinel Cycle or The Adventures of Antoine Doinel.
Les quatre cents coup - The 400 Blows (1959) https://trakt.tv/movies/the-400-blows-1959
Antoine et Colette - Antoine and Colette (1962) https://trakt.tv/movies/antoine-and-colette-1962. This film is also a part of L'amour à vingt ans
Baisers volés - Stolen Kisses (1968) https://trakt.tv/movies/stolen-kisses-1968
Domicile conjugal - Bed and Board (1970) https://trakt.tv/movies/bed-and-board-1970
L'amour en fuite - Love on the Run (1979) https://trakt.tv/movies/love-on-the-run-1979

The love of a couple os measured for the stress caused by the lating of the wife exit. Ha Ha Ha.