July 16th excerpt:

When the harsh knocking came from outside the walls, Sam leaped up two inches from his nest, eyes wide as he went from fast asleep to on the alert in record time. Dean, quietly working on his project in his own nest, accidentally twisted the metal of the paper clip in the wrong direction.

“Son of a bitch! ” he swore, glaring towards the outside of the walls, where they knew Sherlock was. There were times it was convenient to have human allies, and they definitely slept better knowing that they weren’t about to be torn from their homes just because they made a slip-up.

April 22nd excerpt:

In a rage, Dean stormed out of the corner, unable to contain himself any longer. He grabbed the stupid silver bell and whipped it through the air, slamming against the glass to bounce harmlessly off. “Son of a bitch! ”

December 5th excerpt:

Dazed and bruised, Sam was operating wholly on instinct as he heard someone entering the flat. “You son of a bitch,” he slurred, weakly trying to push his arm from where it was braced to pin him down.

Instincts guided his other hand, and Sam’s fingers wrapped around a familiar hilt. One he’d always kept at his side, but never wielded against another person.

In a flash, Sam’s silver knife was at the man’s throat, trying to force a stalemate.