In the unrated version, this is psychological torture.
In the unrated emotional narrative, Bassanio is painfully aware of Antonio’s love. He exploits it. He takes Antonio’s money, then Portia’s money, and offers his body for his friend’s salvation only when it is rhetorically cheap to do so. The romantic tragedy here is that Antonio loves Bassanio in a way that Portia never will—unconditionally, fatally, and utterly without hope of reciprocation. If you want the darkest, most "unrated" romantic storyline, avoid the leads entirely and look at Shylock's daughter, Jessica. The Sex Merchants 2011 Unrated English Full Mov...
In standard productions, Jessica and Lorenzo are the "young lovers"—running away, stealing jewels, listening to music under the moonlight. How romantic. In the unrated version, this is psychological torture