Be a man of your word and do what you told her you were going to do. If you asked for 30 days and she gave that to you, then sign the papers as you agreed. Stalling is not going to help you here. It is going to cause a rift and widen that gap between you and your W.
“Things turn out best for the people who make the best out of the way things turn out” ― Art Linkletter