Amy,

Your post makes me think of how it might have been experienced by my kids
some years ago now, only they were much younger than yourself. There was a
time when my wife and I couldn't have cared if one left or not, or so we
said anyway. In fact my wife packed her bags and headed out the door to
find a hotel. As God would have it, and I prayed, even though I was not
a  honest believer with a relationship with Christ, he honored my prayer as
she came back after a few hours having found no hotel in our little town or
the town ten miles from here. God saw to it there wasn't a room in the inn
and she wasn't about to stay in a stable so she returned home, and she
realized what happened and we began to talk about trying to make things
work. It was a very ugly time of life for us and I can't imagine how my
kids were disturbed over it as we were consumed for the most part in
ourselves, our relationship and it's problems. It sounds to me that your
mom and dad may have issues from before this fight and such feelings are
not new ones, hopefully I'm wrong. I pray they see the light and wisdom in
finding help. My wife suffered from clinical depression, and it along with
the meds which numbed her ability to feel emotion only contributed to a
relationship let go to seed after many abuses on  a daily basis. I want to
stress something here as well, as it is very important in life and perhaps
why god stresses it in his word. The one thing that kept us from not giving
up earlier and in the heat of battle was that my wife and I were the
only  ones in which intimacy was shared, and both of us, silently in our
own thoughts, were very bothered of losing that which could never be gotten
back if lost. It caused us to think beyond our  problems no matter how big
they were. We knew that if we cashed in the relationship, that one entity
of our relationship would suffer and we could never have that with anyone.
I do not say this to bring conviction to anyone who has succumbed to such
in life, God works that out, but I do stress it so it might be preserved
and as with us, served to hold a tie which God used to bring us back
together when everything else looked for the best to split up. I will pray
for your parents, your mom and dad individually and  yourself as well for
the peace and comfort. Do know however no matter what happens, God will see
you through and perhaps through this fight and apparent trouble, perhaps
God will be shown to your parents in a real tangible way either for the
first time, or for a life changing renewal in their lives.

Brad