How does family disapproval affect the course of love? Can volatile relationships flourish? Does love cure dementia? Paul and Eli consider these questions, and more, in their analysis of “The Notebook,” the 2004 romantic melodrama starring Rachel McAdams and Ryan Gosling—and the winner of the MTV...

What does it mean to share your life with someone? How does sexual compatibility work? Can new relationships help us get over old ones? Paul and Eli consider these questions, and more, in their analysis of “Her,” Spike Jonze’s 2013 boy-meets-operating-system romance starring Joaquin Phoenix and...