"The only thing [I wish I could take back that the public has seen], the whole wedding thing," he admits. "We went so overboard on that. And the way it turned out and everything."
"And, because I mean at the time it was honest...I mean, I was all in, you know?" he mused. "But then it turned so quickly."
When asked by Oprah if he believed the marriage was going to work, Bruce said, "I was hoping it would work."
The rest of Jenner's interview with Oprah, as well as O's sitdown with the whole Kardashian family, airs Sunday at 8 p.m. on OWN. Tune in to an all-new episode of Keeping Up With the Kardashians Sunday at 9 p.m.