"It was becoming a poor environment for the kids to be raised in," says the Kardashian pal

By Melody Chiu
July 07, 2015 09:00 AM
Denise Truscello/Wireimage

She was with Scott Disick for nine years, but Kourtney Kardashian will always put her children first, and that’s why she called it quits on their relationship.

“She was over dealing with his constant lies and addictions,” says a Kardashian source of Disick, whose issues with alcohol have been well-publicized. “It was becoming a poor environment for the kids to be raised in, and she refused to let that be the case.”

On Monday, news broke that the longtime couple had split after photos surfaced of Disick partying in Monte Carlo with Chloe Bartoli, a woman he’s previously been involved with.

Kourtney Kardashian and Scott Disick Have Ended Their Nine-Year Relationship

Earlier this year, Disick’s continued struggle with substance abuse led him to check into rehab, as seen on Keeping Up with the Kardashians.

“He acts out, he rebels, he drinks too much and he embarrasses her,” says another insider. “He just rebels against the crazy responsibility of having three kids and makes Kourtney do it all.”

Fed up with his behavior, “Kourtney is willing to sacrifice her relationship with Scott in order to keep [her kids] safe,” says the source. “Her children are her first priority. She needs to protect herself and her family, so she knows this is the right decision.”

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