The biggest challenge for this viewer is when it comes to true crime sagas, Scorese peaked with Goodfellas and he's never really come close since.
"Romantic comedies too often forget the second part of that description. Wong and Park put the emphasis on the comedy and leave the romance to fend for itself."
The film works best when it concentrates on the relationship between the two protagonists. Rudd and Roberts play well off of each other, and when it goes deeper than words, it's believable and entertaining. If they'd given the bit players smaller portions, the story might flow better.