The 51-year-old reality star opened up on Tuesday night's RHOBH premiere about having to spend a significant amount of time apart from her husband.
"He's so busy, finishing his big Disney project, his foundation. You know David, he's the man, he needs to work, he has a career," Yolanda explained. " That's part of David Foster, he travels, he does charities all over the world, it's been like that since the day I met him. That shouldn't change just because I'm sick."
Recently, Yolanda and her 65-year-old husband sold their 12,000-square-foot beachfront mansion in Malibu, and the two celebrated the sale with a sweet photo of themselves kissing on their breathtaking back patio in front of a stunning sunset.
On Tuesday's episode, Yolanda admitted that she hadn't stayed in the couple's Malibu home in quite some time.
"I've been staying at the condo for the last nine months," Yolanda said. "It's convenient because it's in the city close to where all my doctors are. My house in Malibu is way too big. To be in a small environment within four walls is about all I can handle."
Following the premiere on Watch What Happens Live!, Yolanda's RHOBH co-star Kyle Richards addressed the couple's split, explaining that the break-up wasn't exactly shocking.
"We didn't know, but I think they've been struggling," the 46-year-old reality star shared. "Yolanda's been so sick, and I don't know if that has anything to do with it -- I have no idea -- but it's just really sad."