Jacob fully commits to Hannah, leaving his player days behind. He even buys her a house—a symbol of permanence.
One evening, Jacob takes Hannah to the same club where Cal is picking up women. Hannah sees Cal with a random woman. She recognizes Cal—he’s the father of a student she tutors (a small world coincidence). Jacob is furious at Cal for lying about his real life. They argue. crazy stupid love full movie
Months later, at Robbie’s school talent show (where Robbie performs a rap about his love for Jessica), Cal gives a speech. He doesn’t win Emily back with grand gestures. Instead, he shows up, sits next to her, and says he’ll wait. He accepts that love isn’t perfect or logical. Emily takes his hand. Jacob fully commits to Hannah, leaving his player
Cal’s 13-year-old son, Robbie (Jonah Bobo), is hopelessly in love with his 17-year-old babysitter, Jessica (Analeigh Tipton). Jessica ignores Robbie’s advances but secretly has a massive crush on Cal, even taking nude photos of herself for him (which she never sends, but her mother finds them, causing a scene). Hannah sees Cal with a random woman
Jacob takes pity on Cal (or is just annoyed) and offers to “save” him. He explains that Cal needs to look and act the part: new clothes, better haircut, confidence. Jacob’s method is brutally pragmatic—buy drinks, pretend not to be interested, and sleep with women without emotional attachment. Cal reluctantly agrees.
Cal and Jacob get into a physical fight (comically choreographed, with slow-motion punches and dramatic music). During the fight, Jacob accidentally reveals Cal’s secret: he’s been sleeping around. Emily is devastated. Cal, in his rage, shouts: “I’m not going to be compared to David Lindhagen!” Jacob, confused, asks, “Who’s David Lindhagen?” Cal yells, “He’s the guy my wife slept with!” Jacob’s face goes white. He turns to David Lindhagen and says, “Wait… David Lindhagen? ” Then Jacob punches David Lindhagen—because earlier, Hannah confessed she lost her virginity to a “David Lindhagen” in college, breaking her heart. It’s the same man. Resolution Cal’s realization: The chaos makes Cal see how far he’s strayed from his true self. He stops his womanizing. He apologizes to Emily and admits he’s still in love with her. But Emily, though she still loves him, asks for time and space.
At that moment, Emily arrives at the club to confess her love to Cal. David Lindhagen shows up too. Robbie is also there (he followed Jessica). Jessica is there (she came to see Cal). The entire cast is on the dance floor.