During the making of this movie, Jamie Foxx had cut his hair for Ray (2004). So in the final scene, Foxx is wearing a wig, which is why his hair looks so much longer.
When Quincy goes to Nicky's house to find her after he discovers that his cousin is marrying Rita. When he has the conversation with Amy her hair changes position between shots.
When Evan tells Quincy that Nicky has cut her hair, Quincy sits back in his seat with his right hand over his mouth, but in the next shot, he has his left hand over his mouth.
Nicky (Gabrielle Union) and Quincy (Jamie Foxx) are a couple. Evan (Morris Chestnut) ends up engaged to Rita (Jennifer Esposito). Philip (Peter MacNicol) hooks up with Amy (Jill Ritchie), Nicky's friend from the hospital.