***SO MANY SPOILERS***
1. The Toxic Couple Blue Valentine
Blue Valentine (2010):
The toxic couple is formed when both sides are so emotionally reactive and defensive towards one another, that it deteriorates trust within the relationship. And, oh my god, there has never been nor will there ever be a more toxic romance than the one between Dean (Ryan Gosling) and Cindy (Michelle Williams). This is easily one of the only movies that honestly depicts the tumultuous transition...