Ridiculous comment. The human body is not designed at all, and is very much capable of surviving without milk and meat. It's not even very hard!
Surviving and prospering aren't the same things, though. And you do need to mind a lot of substitutes you now need, if you just let go of meat.
Surviving and prospering aren't the same things, though. And you do need to mind a lot of substitutes you now need, if you just let go of meat.