How I Learned to Love Women (1966) aka Come imparai ad amare le donne
1966A guy gets seduced by the headmaster’s wife and they get to as far as petting in the bathroom (21:13).
Actors: Robert Hoffmann
A Black Veil for Lisa (1968)
1968A husband hires a hitman to kill his wife whom he suspects of cheating, but the hitman himself starts an affair with the wife.