Scott Disick came under fire for his "snarky" comments over ex-girlfriend Kourtney Kardashian by her sister Khloe.
The comments during a recent episode of The Kardashians when Khloe, 37, visited him at his house after he and his three children were not invited for Kourtney's engagement to Travis Barker.
Scott, 38, has three children with Kourtney - Mason, aged 12, Penelope, nine and seven-year-old Reign, who they co-parent - after a 10-year on-off relationship which ended in 2016.
During the conversation, Khloe asks Scott: "How've you been?"
Scott replied: ""Don't get me wrong, I'll always love your sister. I wasn't that caught off guard. I thought they'd already been married the way that she was talking. So it wasn't crazy."
He then added: "Thank God, because at another time in my life, if I would have heard that, life would've been over for me."
However, his jealous side starts to unravel as he opens up further.
"It does give me a lot of relief that she's happy, somebody else is taking care of her," Scott says.
In a one-on-one chat with the camera, he adds that it was his fault breaking up the family and that he had responsibility to "be there for Kourtney and take care of her."
He adds that "even though we weren't together, I just felt that guilt. So it was a lot to handle."
Scott, speaking to Khloe, says: "I... in a selfish way feel like a lot has kinda been lifted off of me. I think in the end... it's a good thing. I couldn't do the job of being with her," before saluting Travis because "he's in for a lot of work".
Khloe questions this, asking: "What do you mean? Like with the whole family?"
To which Scott responds: "No, the family's the best part. Kourtney is not the simplest when it comes to... everything."
Speaking a confessional to the camera, Khloe adds: "This is just him being snarky.
"He's acting out... it's so clear, it's so transparent. But if Kourtney was such as problem... why would he want to be with her for so many years?"
Kourtney will tie the knot for the third time with the Blink-182 drummer in Portofino this weekend, but it has been reported that Scott has not made the guest list.
The intimate Italian wedding will be in front of close friends and family after the couple had an unofficial wedding in April in Las Vegas following the Grammy Awards.
They officially got married at a courthouse in Santa Barbara last weekend, where the ceremony had a very strict guestlist consisting of just two witnesses - Kourtney's maternal grandmother MJ and Travis' father Randy.
Most of the Kardashian-Jenner clan have made the trip to Italy, where Kourtney and Travis will get eloped at the 16th century castle Castello Brown.
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