'Massive Issues For Years': More Details Behind Kendra Wilkinson & Hank Baskett's Split

What exactly were the "marital problems" that led to the impending end of Kendra Wilkinson and Hank Baskett's nine year marriage?
We've been curious if there was some new breach of trust, but this may be a much older schism.
Related: Kendra And Hank Trying Hard Not To 'Traumatize' Their Children
An E! News source seems to think the union was doomed from the start -- because the decision to wed was made in haste!"Everything came really quickly for Kendra in the beginning, the show, marrying Hank,