Or Did Prodding Him Until He Snapped Just Look Like A Great Idea At The Time? - Tumblr Posts

I honestly expected Cas to snap sooner than he did, and not in the hands-on way he did. His self-control most of the time is epic, but twisting a bitch knife in his feels while wearing the corpse of his recently murdered son was next-level provocation. I wasn't sure Cas was coming back from this.

15.03 The Rupture