I know you believe this.
The point is Enoch and Elijah are written about in Scripture being assumed into heaven without dying. Mary is not. Yet you have created a doctrine around her supposed assumption. Enoch and Elijah would be the best fulfillment of your "man's hope". They were taken home because they were pleasing to God.
As I have probably told you before, the Bible is not an all-inclusive history book. A lot happened in the world that is not recorded in the Sacred Scripture and a lot was recorded in a spiritual sense. Those Jews reading the Old Testament in Paul's day said the same thing you do today... "It isn't in Scriptures". "Where does it say that the Messiah is God"? "Where does it say the Messiah will die on a cross"? "Where does it say that circumcision will be done away with"? (see Acts 15).
Guess what the Church's argument was?
Using your argument destroys a lot of what you happen to believe in, but may not even be aware of the implications. Do you believe in Trinity? Can you prove it from Scriptures alone? Don't bother - it is a rhetorical question that will be answered in the "no".
Enoch and Elijah are OT charecters that have little relation to the Church of the New Covenant. I see Mary in heaven in Chapter 12 of Revelation. I see this same "woman" as the figure of the Church AND of Mary.
Regards