Too Soon to Love

Too Soon to Love, also known as High School Honeymoon and Teenage Lovers, is a 1960 American exploitation film directed by Richard Rush and starring Richard Evans, Jennifer West and Jack Nicholson.
The film was considered by some critics as among the first of the American "new wave" of filmmaking.
Premise.
The film is about the romantic relationship between a woman and a man, barely out of their teens, and another man named Buddy (Nicholson) who tries to steal her away from him.
Production.
The film was made for $50,000. It was Francis Ford Coppola's first writing assignment and director Richard Rush said "he had more youth than discipline."
Jack Nicholson was cast off the back of his appearance in "The Cry Baby Killer". He would make two more films with Rush.
The film was sold to Universal for $250,000.