Where does milk come from?

We asked Ry where milk comes from.

Me: Where does milk come from?
Ry: From the grocery store.
Me: Where does it come from before that?
Ry: My frigerater
Me: Did you know milk comes from mommy cows?
Ry: (Thinks about that for a moment). Oh cows wanna share da milk with me (Nods and smiles).