Where in the dressing room of Equinox gym one half-naked woman says to another, "I gave birth to TWO children with natural childbirth--I figure I can run a marathon, right?" and a third woman (who no one except for a fourth woman watching the scene knows is a professional childbirth educator) says, "I gave birth to two kids too and NO WAY could I run a marathon... But you look very athletic..." adds the childbirth educator when the first woman looks crestfallen.