Like It Never Was Before 1995 one on netflix

The Runeberg family is an ordinary middle class family, with a house in a suburb, a car and three children. By vacationing in a rented house by the sea, the hope is that the tension and anxiety between Rune and Gunnel will disappear. However, instead of spending time with his family, Rune finds himself attracted to a young man, Petrus. Whatever happens next, Rune realizes, it can never be like it was before.