"Sealed the Atonement". Is this Mormon doctrine or are you making this up as you go along?
Did Christ die on the cross for your sins?
Which ones?
Did he leave any out?
Is there some sin that you could commit or have committed which would or could undo what Christ did for YOU on the cross?
Is there some good work or some ritual that you must do in order to contribute to the work of Christ in atoning for your own sins?
In other words do you REALLY believe the words of Paul that Christ died for your sins?
Blaspheme against the Holy Ghost. Mark 3:29.