This is painfully wrong. Man has free agency and can choose his path as well as change his path.
A spiritual operation takes place...Apparently you don't understand that...It's not like we go down and join the local Eagles or Moose club, or a Mormon or Catholic church...
We become a new creature...
2Co_5:17 Therefore if any man be in Christ, he is a new creature: old things are passed away; behold, all things are become new.
We have a new nature (a new man)...Yet, we still have the old nature and they are constantly at war with each other...If we allow to old nature to take control, God will prod us along, sometimes to the point of taking off his belt...But he will not un-adopt us...
A man is Saved by God's Grace. There is no sin which can reverse what God does and that's why no man can take a saved person away from Jesus or God. If there is some sin you could commit after being Born Again by the Spirit, then you could not be saved to start with because that would violate what Jesus guarantees and contradict His assertion. Grace is an awesome thing when you really start to see how it works. Mormons don't want grace unless they can earn it after all that they can do ...