Supernatural humor

Dean and Sam walked away from the grave.
“What I did was for Cas, too” Meg called them back. Dean turned around and headed back to her.
“You killed him” he trembled and he pointed an accusing finger at Meg. “Now you’re going to tell me toi did that for him? That’s taureau, bull crap!”
“He was begging me to stop his pain. He was so afraid of Lucifer returning to him. I had to help him” Meg appealed. She wasn’t sure why it was so important that Dean understood. She only knew it would be important to Cas.
“Cas was going to fight back and I was going to support him. toi didn’t even...