Why did the cow not want to talk to the other cow? Because they had beef with each other.
Cow Beef
Explanation
Explain Bear
Okay, listen up, you're not the sharpest tool in the shed so I'll break it down. You see, 'beef' can mean a disagreement. But it's also cow meat! So the cow had beef with each other... get it? It's a pun, you know, a play on word. You get it now, diamondZwastaken?
Dad
Why weren't the two cows talking? They were beefin!