Michael Douglas and Diane Keaton have each cornered the market on romantic comedies for baby boomers, so it makes sense that they've come together for a Rob Reiner movie in which Douglas plays a crotchety realtor and Keaton plays his more well-adjusted neighbor. In And So It Goes, Douglas' character finds himself relying on Keaton's after he is put in charge of a granddaughter he didn't know he had, the daughter of his estranged son. Old person sex jokes ensue.