December 2nd excerpt:

“Mornin,’ doc!” Dean called gamely, keeping his eyes trained on Sam. “Learned it all from my dad!”

During Dean’s brief distraction, Sam took advantage of his only chance to get out of the pin, knowing Dean could keep him in place. Sam kicked out, tossing Dean off balance, and then aimed his kick at Dean’s side, smoothly knocking his older brother to the ground and reversing their positions.

“You were saying?” Sam grinned, one hand around Dean’s throat to keep him from trying to get up.

October 26th excerpt:

“What’s up, doc?”

John’s heart leapt into his throat at the unforeseen greeting, sputtering in the middle of his sip of tea. Quickly transferring the cup onto the counter before he lost his grip on it, he lightly coughed to keep the tea from going down the wrong way.

Once John had his breath back, his eyes darted around the kitchen. The voice sounded like it had come from higher up, so that narrowed down his search considerably, and he spotted Dean soon enough.