Originally Posted by
FeelingGreat 
You interrupt alcoholics at your peril. He's seen your father step over the red line to abuse, and now he's started he probably won't step back.
If your father can drink until he's old, and doesn't tolerate interference, why can't he?
He's too fuddled to see the consequence of taking this attitude. You may not react the same way as your mother to abuse and alcoholism.
Wow, I didn't even think to look at it from this point of view. This is another eye opener for me.