“This Is 40″ is every inch a Judd Apatow movie, from the pop culture references and potty mouths to the blunt body humor and escapist drug use. Like all the movies he’s directed — and it’s amazing to think there have only been three previous ones, given his name-brand value — it’s a good 20 minutes too long.
But within that affectionately messy sprawl lies a maturation, an effort to convey something deeper, more personal and more substantive. That goes beyond the casting of his real-life wife, Leslie Mann, as half of the couple in question, and the Apatow children, Maude and Iris, as the family’s daughters in this sort-of sequel to the 2007 hit “Knocked Up.” (That film’s stars, Seth Rogen and Katherine Heigl, are nowhere to be found, by the way. Which is fine.)
