He didn’t exactly come out and say that everything or even anything was Christina’s fault, but he clearly thinks that he’s not the only one who could have done better.
Of course, given the incidents that Tarek El Moussa mentioned, it does seem that he’s placing more of the blame on Christina than himself.
He was the one who suffered from thyroid cancer, testicular cancer, and a back surgery, and the success was both of theirs.
Hopefully they’ll both be able to continue moving forward in their personal lives and in their careers.