You're right Jane home is where educating our son's to respect girls/women begins and it begins with what they see. If they see their mother being respected by their father, male relatives and friends then a good example is set.
If they witness the opposite, they may 'learn' that abuse in whatever form is acceptable. My sister in law was married to an abuser and the abuse was both mental and physical.
He had no contact with his own father and hadn't done so for years, because he saw on a regular basis how his father abused his mother. He hated him and yet became exactly the same.
If daughters see their mothers are respected, they know how they should be treated. If their mother is disrespected and she stands up for herself, that is another positive learning experience; it's wrong and it's OK to say so.
There have been welcome changes to the law 'Battered Wife Syndrome' for example as aid in defending women who eventually snap and kill their abusive partner/husband.
But as we think of this positive, we need to remember how slow the law is when it comes to protecting women. Marital rape was not viewed as domestic violence and therefore illegal until 1992; only 30 years ago
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I was so shocked, I googled it twice just to be sure.