I'll admit it.

[Navy]

I guess I'd rather feed off a pinkie, who is basically a fetus that is born to the world helpless and has basic instincts and feelings( feed, breathe, feel temperature differences, balance etc.)
Than to feed a weaned rat that has begun to learn, eat on it's own, play with others and join the social ranks of the colony.
To me feeding older rodents makes me feel worse.

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I feel much better when you put it that way.