“Is that something that the LDS Church taught you?”
I thought we went through this already? It is not an official doctrine of the LDS Church. Given what I understand - flawed as you may view it - of the purpose of life, the nature of God, etc., it tends to make sense.
But, since it’s not a doctrine of the LDS Church, and has no significant scriptural backing, it’s pointless to argue it with you.
“Is there any other church on the face of the earth other than the LDS Church that believes that?”
Not that I’m aware of; but then, the LDS Church is unique in many ways. Still, it bears repeating that the LDS Church does not officially recognize the principle you describe as doctrine.
But you do agree that Joseph Smith (the Prophet) taught that, don't you?
And you do agree that the LDS Church has not repudiated that teaching, don't you?
And you also agree that the things that the LDS Church has taught you are entirely consistent with that "teaching" of Joseph Smith, don't you?