He's Just Not That Into You is a 2009 American romantic comedy film, based on the self-help book of the same name by Greg Behrendt and Liz Tuccillo, which in turn was based on a line of dialogue in Sex and the City. The film features an ensemble cast that includes Ben Affleck, Jennifer Aniston, Drew Barrymore, Scarlett Johansson, Justin Long, Jennifer Connelly, Ginnifer Goodwin, Kevin Connolly, and Bradley Cooper.