No point bringing up that he’d quit answering when Dean called for four years because just the sound of that voice made him violently homesick, made him lose his resolve.

Oh, Sam. You sefish, lovable ass.
I love how you get in his head. :)

“I heard you,” Dean said, one hand still on the back of Sam’s head. “I’m here.”

*thunk*

(that's the sound of my poor heart breaking in two)