Khloe Kardashian hopes Rob Kardashian's diabetes diagnosis will "shake him up".
The 31-year-old reality star says her younger brother - who was hospitalised and diagnosed with the condition late last year - is taking things "seriously" and she hopes he has finally turned a corner and is working towards a healthier future.
She said: "If that's going to shake him up a little bit, and let's jump start his health journey, then great, I'm right there for him.
"He's taking it seriously. Yeah, we're only 13 days into the New Year, but that's good enough for me."
The 'Kocktails with Khloe' star is encouraging her sibling - who has retreated from the spotlight over the last two years as he battled weight problems and depression - to see the beginning of 2016 as a good time to make a new start.
Speaking on 'Good Morning America', she said: "He got out [of the hospital] before the New Year, so I was like, 'OK, let's leave all that stuff then. Listen, you found out what the problem is, let's tackle it head on, and everything happens for a reason.' "
Khloe recently said she is feeling "hopeful" the sock designer, who lives in her Los Angeles home, will soon be "back out doing his thing".
She said: "I'm always praying and rooting for Rob.
"I'm very hopeful. We gotta get Rob back out here doing his thing. We all miss Rob, he's the best."