As Good As It Gets

The trials and tribulations of a compulsive writer, Melvin Udall. After his homosexual neighbor is brutally beaten, he is entrusted to the care of the neighbor’s dog, with a difficult relationship with a waitress to add on top of that. What develops is a weekend trip/triangle between these three individuals, and together they learn the true meaning of “the sunny side of life”.

From the movie As Good As It Gets.
Synopsis from IMDB (hiphats)