Kourtney Kardashian is pooshing back the curtains on her family's dynamic.

As her notoriously private brother Rob Kardashian made a rare appearance on The Kardashians , the Poosh founder detailed how she, Khloe Kardashian and Kim Kardashian each have a different type of relationship with the 38-year-old.

"Him and Khloe are a little incestual," the eldest of Kris Jenner and the late Robert Kardashian Sr . joked during a confessional on the Oct. 30 episode of the Hulu series. "Him and Kim are like the husband and wife that hate each other."

As for herself? The 46-year-old said she and Rob are "super close friends."

"At one point, we would go out together, hold hands, just have so much fun together," Kourtney quipped. "I love having him around."

But opportunities f

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