What Will You Do If Your Spouse Slaps Your Mother?

Imagine that is your mom on the sofa and your husband about giving her a backhand slap!  If your mom and your spouse had an argument over you and your spouse slaps your mother what will you do?
As a woman what will you do to your husband? Will you retaliate or get your brothers to beat him up? And as a man what will you do to that wife?