After their all-nighter, Nadine and Owen are seen coming out of a movie theatre showing Sidewalks of New York (2001), which was produced by director Brian Burns, and directed by his brother Edward Burns.
At one point, Jack makes a reference to "the moons of Venus", but Venus has no natural satellites. However, he indicated some annoyance at Chloe's obsession with astrology and may simply not have known.
Owen: [Jack and Owen are told by a mysterious mugger on the subway to drop their pants. Jack wears boxers, but is appalled to see Owen is wearing tighty whities]
It's laundry day, alright?