'I didn't want them [the Kardashians] to leak it to the press, Ok?' Caitlyn admitted. I didn't want them to leak it to the press, OK?
She told him: "It's not amusing".
Caitlyn not only chose to let the Kardashians find out about her sex reassignment surgery when her book came out because she wanted to keep it completely private, but also because she didn't trust them to keep the information to themselves. "I had already been living as Caitlyn for a year and a half, ok, nobody knows anything".
'Honestly, I don't even remember the conversation, I just brought it up. It's called The Secrets of My Life...
Additionally, the 68-year-old does not believe the family is "entitled to know before the world" as the surgery was "not that big a deal".
Up until previous year, Kim was the only Kardashian sister who had not completely severed ties with Caitlyn, but that all changed after she found out Caitlyn had supplied her with preview copy of her autobiography which omitted a few key chapters.
Surely, most people would know to be sensitive when asking a transgendered person about their body and how they've transitioned.
When Piers asked if trust was the issue, Cait confessed, "of course I didn't trust them". Jenner told TV host Piers Morgan.
A source claims that Kim was really bothered by the fact that Cait made such nasty remarks about her family and she is now feeling that Cait is, in fact, the one who is to blame for creating such a lack of trust in this family. To a trans person that's not amusing - you don't make a joke about that. It's life. It's a very serious part of my life. You can die over this issue.
Prompting Caitlyn to reply: "See you made a comment there and that is why you would get in trouble. OK?"
Caitlyn told Piers she no longer trusts the Kardashian family.
Rather than apologise outright, Piers simply replied: "Point taken". Morgan asked. "Except for the last few pages when I talked about gender confirmation", Jenner said.
Elsewhere, Caitlyn discussed her relationship with the Kardashians.
As well as daughters Kendall, 22, and Kylie, 20, Caitlyn also shares Burt, 39, and Cassie, 37, with his first wife Chrystie Jenner, and sons Brandon, 36, and Brody, 34, with second wife Linda Thompson.