According to TMZ, Rob was not feeling well over the weekend, and after he continued to get worse, he was rushed to the hospital and was reportedly diagnosed with diabetes. Given that Rob didn't even know he was diabetic, and the seriousness of the diagnosis, the whole thing must have been pretty shocking and scary for him and his loved ones.
Rob is no longer hospitalized and is back home resting. The good news is that the doctors reportedly told him that if he makes some healthy lifestyle changes, he can get his diabetes under control and possibly even have it go into remission.
Still, the news has to be pretty tough and Khloe Kardashian seems to have indirectly shared her feelings in a new Instagram post. Along with the serious selfie below, she simply wrote "Melancholy."
A source did tell E! News that the diabetes diagnosis was a "wake up call" for Rob, so hopefully 2016 will be a much better year for him, and Khloe, because we know she had a really tough 2015.
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Gallery | Khloe Kardashian: Style File