If you would like to make a significant difference in the life of an abused woman you care about, keep the following principle fresh in your mind:  Your goal is to be the complete opposite of what the abuser is.

The Abuser:  Pressures her severely

So you should:  Be patient.  Remember that it takes time for an abused woman to sort out her confusion and figure out how to handle her situation.  It is not helpful for her to try to follow your timetable for when she should stand up to her partner, leave him, call the police, or whatever step you want her to take.  You need to respect her judgment regarding when she is ready to take action — something the abuser never does.

The Abuser:  Talks down to her

So you should:  Address her as an equal.  Avoid all traces of condescension or superior…