Imagine a crazy offer from a billionaire: $2 billion, but you have to be handcuffed to your worst ex for a year! Sounds tempting? Watch this video to find out what happens next! #HandcuffedChallenge #BillionaireOffer #ExChallenge #2BillionDollars #CrazyOffers #RelationshipExperiment #CrazyRich #MoneyTalks #BizarreChallenge #CoupleGoals