"He is working really hard to get back to where he really wants to be," the reality star tells Today's Matt Lauer in an interview airing Monday

By Michael Miller
Updated April 24, 2015 09:45 PM
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Kim Kardashian gets personal about her brother, Rob Kardashian, in an interview with Today‘s Matt Lauer airing Monday.

“I think he’s just going through a phase where he’s not comfortable in his own skin,” the reality star says. “He is working really hard to get back to where he really wants to be.”

Kris Jenner’s only son became the focus of conversation on a recent episode of Keeping Up with the Kardashians, in which Jenner claims the 28-year-old has gained more than 100 lbs. this year – due to what a source has told PEOPLE could be a result of depression.

When Lauer asks Kardashian if she thinks her brother’s struggles could be a result of the media attention surrounding the family, she replies, “I don’t necessarily think it’s because of the fame.”

Instead, she believes it’s the result of “circumstances in his life that he just really hasn’t dealt with. Whether it’s, you know, the loss of our father, or certain breakups or, you know, he was extremely close to Lamar [Odom] and when, you know, Khloé and him broke up, that was really hard on him. So I think it was a couple things.”

Previously, Kardashian has urged tough love as a solution to her brother’s problems – especially after multiple attempts at a family intervention failed to help.

Kris Jenner recently admitted on the show, “I cry myself to sleep literally every night worrying about [Rob]. It’s breaking my heart.”

“He is very against therapy and any kind of rehab,” a source told PEOPLE earlier this month. “But his family will continue to push for him to get help until he does.”

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