Being surrounded by six strong women would intimidate the best of men, but add a hit reality show, a splash (or three) of vanity and constant media attention to the mix, and who can blame Rob for rebelling against his socialite sisters and momager?
The 28-year-old, who is the youngest Kardashian, and older half- brother to Kendall and Kylie Jenner, has been keeping out of the limelight since last year, reportedly feeling self conscious about this weight gain.
And sharing a close bond with 31-year-old sister Khloe has meant they have continued to live together following her divorce from Lamar Odom.
Speaking to Complex magazine, bombshell Khloe explained:
'Rob lives with me now and I wouldn't have it any other way. I love having him with me.'
'I have a big ass house and I wanted it so he could feel, like, comfortable. He's going through a hard time now, and it's behind gates. With this crazy lifestyle you have to think of places where you can still have your freedom.
'I never bother him. I just bought him a rug for his bedroom and he was so cute. He'll text me and tell me how much he likes it and he notices things. So, I like it. I call him my son as a joke,' she said.
'He's a man and 28, and I'm sure it doesn't sound good to say, 'Oh I live with my sister,' but it's not because he has to,” she added. "I'm like, 'Put this into perspective: Your friends live at home with their parents because they can't do anything else. Your sister’s literally holding you captive and actively making you. So if that makes you feel better, say that all you want.''
And she admits that older sisters Kim and Kourtney sometimes 'hate' how she tends to him.
'I do baby him, but I'm a maternal person,' she concluded.