Zoe: I got you something great at the farmstand.
Erica Barry: Wait. You're leaving, Zoe's leaving, the entourage is leaving. You mean I'm going to be alone in this house... with HIM?
Marin: Well, the hospital's sending over a nurse first thing in the morning.
Erica Barry: In the morning? That's like nineteen hours from now.
Answer: When they were trying to see what time it was the morning after they had slept together.