Best two reviews:
1) - There will be viewers out there who will recoil from these two crazy kids' wild, exhibitionistic carnality, their druggy hedonism and their cavalier attitude toward interior decoration. But anyone else who's ever been in a relationship like this — especially the kind of that starts to feel like a codependent bipolar disorder trapped on a rollercoaster by the end — will painfully relate to Monday's sensual, funny and above all honest look at amour fou. (Rating: 90) Read Full Review >
2) - The audience brings to this film a set of expectations born from a lifetime of watching romantic fiction. That Monday skewers them so pointedly and thoroughly is what makes it such an entertainingly subversive spin on the genre. (Rating: 80) Read Full Review >

Worst two reviews:
3) The Film Stage- For about three-quarters of the runtime, this dynamic works in creating effective drama and authentic situational humor. (Rating: 50) Read Full Review >
4) The Guardian- All of this film’s various moods – erotic, euphoric, tragic – are unearned and despite what is clearly strenuous effort from the performers themselves, the acting is hammy and undirected. (Rating: 40) Read Full Review >