Continuity mistake: When Grace and Nadine are at the bar, Nadine starts to take money out of her purse. The shot changes and suddenly there is money on the table. Then the amount of money on the table keeps changing between shots.
Continuity mistake: When Grace is sitting on the couch talking to the kids grandparents she is holding Patrick and a block. Then at one point the block disappears, the shot changes she is now holding a different toy.