A fox eats a steady diet of rabbits. No matter how many rabbits the fox eats, he will never start to look like a rabbit, though. Why is this? ​

Because that's just how it works.

Someone can eat a steady diet of steak and potatoes but they don't turn into steak and potatoes.

When we eat, we consume the meat and energy of the animal. We don't consume some mystical part of them that gives us their qualities.

For example:

You can eat deer meat and not get as quick as a deer, or lion meat and not get the courage of a lion.

We can apply this to the "You are what you eat" phrase people like to use.

Just because you eat a lot of donuts, for example, doesn't mean you'll turn into a donut, or get any donut like qualities (Except maybe stickiness).

Foxes eat rabbits to be healthy, and alive, not to eat plants and hop around and 50 thousand kids

I hope this wasn't too sarcastic-

Rereading it, it kinda came off like that-

Hope this helps though?

Explanation: