In the opening sequence, a calendar is shown with the dates crossed out in black marker with the exception of the 23rd, in red marker. We later see Lauren cross out the 23rd in red marker.
In the opening sequence, Lauren and her soon to be ex are talking on the plane and as the scene switches back and forth between his face and her face, his goggles are alternately on his eyes and then on his head. It happens several times.
Calvin does a disk defrag on Lauren's computer, but Macs do not need defrags.
Lawyers Calvin and Gena don't ever seem to work.