There are a few non-Catholics who will deny that she's the Mother of God, but they'll usually stop doing that once they understand the nature of the doctrine and the Christological implications. If non-Catholic Christians know what they're talking about, they won't deny this doctrine.
There are...
It's quite normative for Christians to experience God. If it hasn't ever happened, it's hard to know or understand exactly what it's like. But knowing you haven't experienced God should be doable, at least.
I think there's just one more step. God actually has to take action on your behalf whereby He saves you, and this won't necessarily happen immediately after you ask Him to do it. It happens when He does it.
That's a great question. I should start by saying I'm a Christian of no particular denomination, and what follows is my own POV which is heavily influenced by the Bible and certain theologians from throughout Christian history.
One of the core doctrines of Christianity is called total...