Welcome to YT!

Wow, you have really been through it!

I am so sorry for the loss of your babies but congratulations on finding Bear. I'd love to see some pictures of him.
You will find a ton of information on great food (brands as well as home cooking) in the nutrition section. If you have any specific question don't hesitate to ask.
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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