Viens chez moi

Viens chez moi, j'habite chez une copine is a 1981 French comedy film directed by Patrice Leconte, starring Michel Blanc, who also wrote the screenplay with Leconte, Bernard Giraudeau and Thérèse Liotard. The film is loosely adapted from a play of the same name, which was also the basis for the 1977 American musical I Love My Wife.

Synopsis from Wikipedia, CC BY-SA 4.0. Everything below written here.