Khloe Kardashian has certainly seen her fair share of heartbreak this year, and brother Rob Kardashian's recent diabetes diagnosis may have brought her to an all-time low after the holidays.
As RadarOnline.com previously reported, Rob discovered that he is diabetic after being admitted to the hospital for obstructed breathing and profuse sweating.
Late Tuesday evening, Khloe, 31, took to Instagram to share her strife, posting a snap capturing her mood.
"Melancholy," the reality star — one of her brother's biggest supporters — captioned the photo, in which she sports a perfect, though somber, pout.
As reported just two weeks ago, Rob has had family and friends extremely worried over his erratic behavior.
"Rob has gone off the rails again and he is, once again, out of control," a source said at the time.
While Khloe recently confirmed that she's still happily dating basketball star James Harden, it's not hard to imagine that Rob's new condition, along with ex-husband Lamar Odom's nearly-fatal overdose this fall, has her stressed out.
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"If only you could see yourself through my eyes I'll forever be obsessed with you! My one and only," Khloe captioned a recent snapshot of the dynamic duo.
Despite objections from Rob's feuding sister Kim, "momager" Kris Jenner has also lent support to her only son in recent months.
"He's OK. He's just working on himself a little bit and trying to be a better Rob, so I just have to trust that he's good," she told E! News' Maria Menounos in November. "We're all here to support him for whatever he needs, but he's doing OK."