A Fish Called Wanda (1988) Directed by Charles Crichton. Starring John Cleese, Jamie Lee Curtis, Kevin Kline, and Michael Palin. C-c-c-cl-classic, as Ken would say.
Gotta be rich to be insane, Hol. Losing your mind is not a luxury for the middle class. We're so arrogant, aren't we? So afraid of age, we do everything we can to prevent it. We don't realize what a privilege it is to grow old with someone. Someone who doesn't drive you to commit murder or doesn't humiliate you beyond repair.
Barefoot In The Park (1967) - Combines love and laughs. Paul Bratter is a newly married lawyer. Corrie Bratter is a newly married woman whose main goal in life is to have fun and to have it with Paul. Together they learn how to live and love in an apartment that's laughably small in New York and located on the fifth floor of a building with no elevator. Corrie's mother has some of the funniest lines.