I've been a stay at home mom for 12 years too. I was starting to feel a bit bored with it a few years ago and went back to work. That lasted 4 whole months. Now I remember how lucky I am. It can be boring but it's better than the alternative to me.
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"If you have men who will exclude any of God’s creatures from the shelter of compassion and pity, you will have men who will deal likewise with their fellow men." — St. Francis of Assisi, 1181-1226