How Do You Know

How Do You Know is a 2010 romantic comedy drama film directed, written and produced by James L. Brooks. It stars Reese Witherspoon, Paul Rudd, Owen Wilson and Jack Nicholson.

Softball player Lisa Jorgenson Reese Witherspoon is devastated when she is left off the Team USA roster. Unsure what to do next, Lisa begins dating Matty Reynolds Owen Wilson, a pitcher for the Washington Nationals. She also receives an intriguing phone call from a young executive, George Madison Paul Rudd, who was advised by a friend of Lisas to give her a call. George calls out of politeness because he wants to explain that his relationship with his girlfriend has just become more serious. But life takes an abrupt turn for the worse for George when he suddenly finds himself the target of a federal criminal investigation for corporate malfeasance at a company run by his father, Charles Madison Jack Nicholson. George is fired from his job and abandoned by the company, with the exception of his father and his pregnant secretary, Annie Kathryn Hahn.Still reeling from this blow, George goes to his girlfriend for sympathy and is stunned when she immediately breaks up with him. On a whim, George calls again to invite Lisa to dinner and she accepts. It turns out to be a disaster George is so overwhelmed with his troubles that Lisa eventually asks that they just eat in silence, and they part ways not expecting to see one another again. Soon, Lisa moves in with Matty, who has a penthouse in the same upscale building where Georges father lives. Matty is rich, wellmeaning and fun, but is also immature and insensitive, and continues to have casual affairs with other women. ........

Source: Wikipedia