so, chantal hires a lap dancing coach. these people are really trying. >> hey, i can do this, i can do that. >> there is something about reawakening their lover-hood, their sense of being lovers together, which reminds people what they're doing there. >> reporter: the couples' feature is still unclear. but love, it seems, may have been there all along. it's just a matter of finding it again. for "nightline," i'm juju chang in burbank, california. >> and "seven days of sex" airs thursdays on lifetime. thanks to juju. >>> and just ahead, the hoops fan who got fabulously rich, bought the losing team and built them into nba champs. well go on the town with mark cuban. down here, folks measure commitment by what's getting done. the twenty billion dollars bp committed has helped fund economic and environmental recovery. long-term, bp's made a five hundred million dollar commitment to support scientists studying the environment. and the gulf is open for business - the beaches are beautiful, the seafood is delicious. last year, ma