✔ 最佳答案
1. Yes.
I am not sure why you need to amend. As soon as the case is not completed (a decree absolute has not been issued), nothing is finalized.
Please note - usually, you must have the court's approval before you can amend your application.
2. Yes, at least 51%.
In determining custody in a contested divorce case, the court will determine based on the best interest of the children. Unless your background prohibits you from becoming an acceptable father, the court usually follows the wish of the children.
As soon as the report by the social worker can determine that, you should have no issue obtaining the custody.