"If there is any last piece of advice I have for you, Wormwood, it is to keep the Mother looking to her husband or family for her fulfillment and comfort. We know that the Enemy is always watching and willing to take the burdens of his children, but if we divert the Mother’s attention well enough, this fact can be forgotten. Make her look to her husband for worth and affirmation. Then, when he lets her down (as he is sure to do), she will be ours to torment. Yes, the worst thing that could happen would be for her to turn to Him with her needs and inadequacies. Once she realizes that the Enemy offers a peace that transcends her situation, our work could be utterly compromised.
Your Malevolent Uncle,
Screwtape" read the rest at the link above