Sex Tape tells the story where Jay and Annie opted to make the video in the first place as part of a series of efforts to revive a sex life that's been flagging ever since they had kids, and the film's only entertaining moments are the ones that attempt to comedically and somewhat realistically explore the tension and friction that animates the big night. Annie dresses up in a Rollergirl outfit but falls off the bed when Jay can't get her skates off; a suggestion to make love on the kitchen floor sounds exciting in theory but is cold and awkward in practice; distractions and rusty moves lead to bumpy stops and starts, as body language signals the shifts from foreplay to waiting around and back again. Segel and Diaz get to move through different modes, and for the briefest of moments, it's like watching real people.
