Sofia Richie broke up with Scott Disick because she didn't want to be stepmom at 22

Sofia Richie and Scott Disick had hit pause on their relationship once again, and this time it was for good. 

The supermodel parted ways with on-and-off boyfriend because she thought her relationship was getting too serious with a lot of responsibilities. 

A source came forth revealing that Sofia felt there was too much pressure while dating Scott. 

Scott “was getting to be very serious [with] a lot of responsibility,” a source told Life & Style magazine.

The former lovers bid farewell in mid-August as they were unable to see eye-to-eye.

“Getting back together would be easy, but Sofia doesn’t want to go backward,” the insider added. “She doesn’t want to be a stepmom at 22.” 

Meanwhile, Scott was getting cozy with his ex-girlfriend Kourtney Kardashian, with whom he shares three children Mason, Penelope and Reign.

 Moreover, “taking care of Scott through his issues” put a strain on their nearly three-year romance.

The California source went on to say that in the midst of all this mess, Sofia regularly “checks in on” Scott, but is “keeping a distance from him that will help her move on.”