Ein irres Paar (1979)

While visiting Switzerland, an American college professor, Adam, keeps running into a divorced British secretary, Patricia, wherever they go. First their cars collide. Then they smash into one another on a ski slope, each breaking a leg. In between numerous quarrels, the two develop lust and love. They hastily marry, but the disagreements continue. Patricia decides to leave, so Adam decides to fake a suicide. They lose and find each other, again and again.