Jennifer linked to Aimee Milburn’s story of how she became Catholic; and one paragraph in particular explains what led me back to the Roman Catholic Church. With no wish to offend my friends of other denominations or faiths, this really is what I believe:

I also realized that if I really, really trust Christ, then I must trust his words that he founded the Church, and the gates of hell would not prevail against it – and so they never have. To say that the Catholic Church failed and some ordinary man had to come along and re-found Christianity is to say that Christ failed. That is the implication in what Protestants say – and Mormons, and Jehovah’s Witnesses, and any number of other groups who claim to have “found” the truth that was “lost.” But Christ could not have failed – and he does keep his promises, and always has. I trust that. And history bears it out, if you study the history of the faith in the first 1500 years of Christianity. It did not die out, and there have always been men and women of very great faith in Christ, in every era.