This Is 40 is a 2012 comedy film in which Paul Rudd portrays the character of Pete, a husband and father navigating the challenges of turning 40. The film is a spin-off of the 2007 film Knocked Up and follows the ups and downs of Pete's marriage and family life. Paul Rudd's comedic timing and relatable portrayal of a middle-aged man make This Is 40 an entertaining and relatable watch. The film explores themes of love, aging, and the complexities of adult relationships.