Originally, Rob committed and when it came time to board the plane, he was nowhere to be found. Because he and Khloe Kardashian are so close, and they're living together, she has been tasked with keeping track of Rob, which is not as easy as it sounds.
Kim Kardashian made no bones about the fact that she has "no sympathy" for Rob and that she takes more of a tough love approach, but that isn't as easy for Khloe. Maybe it's because of what she went through with Lamar Odom, or maybe it's because that's just the kind of person that Khloe is. Either way, she's trying.
In this unseen clip from this week's show, Khloe opens up about how tough it is to try to keep tabs on him and how she's worried about his well-being.