The moral of the story is to break both of your victim's arms.

If she is particularly coordinated, you should probably also break all of her toes.  

2014:

It's only surprising to people who have never tried to tell the police about being abused.

https://www.psychologytoday.com/us/blog/the-web-violence/201410/guess-how-many-domestic-violence-offenders-go-jail