Oh, Men! Oh, Women!

Oh, Men Oh, Women is a 1957 film written and directed by Nunnally Johnson, based on a play by Edward Chodorov. It stars Ginger Rogers, Dan Dailey and David Niven.

Coles is about to marry Myra Hagerman, but is perplexed when neurotic new patient Grant Cobbler claims he is sleepless and heartsick over Myra, the woman he loves. Coles is then completely bewildered when Mildred mentions that her husband also used to date Myra.While confronting her about all this, Coles can hardly believe his eyes when a tipsy Arthur shows up at Myras, embracing her, followed by Cobbler, who repeats his adoration of her. It leads to a fight, followed by Coles meeting the other two suitors in a bar to drown their sorrows. Coles is able to persuade Arthur to show wife Mildred the affection she wants. ........

Source: Wikipedia