Please help me understand what Judaism teaches. I thought religious Jews are waiting for the Messiah (savior)? Isn't the complete Torah in the Bible?
The Jews certainly are waiting for the Messiah, and yes, the complete Torah is in the Bible (well, the written part anyway).
But the problem is, you have no idea what that means.
Whether it comes from your preacher, your parents, your reading of the "new testament"... you've got a warped view of what Judaism is, how it operates, and what Jews believe.
The reason Jews tend to get frustrated in conversations with Christians is, when you ask a question, and I answer it, you look at it through the lens of your highly mistaken view of Judaism... so the answers we give are either dismissed, or misinterpreted... which is a shame, because instead of listening people who have been carrying on a 3,300 year old way of life, you take your cues from the very people Jews insist have thoroughly distorted their faith.
If you want to understand anything about Judaism, you have to know what scripture is relevant and holy to Jews. You have to NOT reject their answer because of something Matthew, Mark, John, Luke, Jesus or Paul said.
I know you know what Christianity says about Christianity. I know you know what Christianity says about Judaism.
But don't pretend that you actually know about Judaism better than people who live it.