The Goodbye Girl
Starring Richard Dreyfuss, Marsha Mason, Quinn Cummings, Paul Benedict, Barbara Rhoades, Theresa Merritt, Michael Shawn, Patricia Pearcy, Gene Castle, Daniel Levans
It's a comedy and romance movie, and has a rating of 7.4 out of 10 from Imdb which is usually fine for this kind of movie.
Watch it here
Not found streaming from Italy.