Woodchips

“Stiles, shut up. Stop talking like a suicidal maniac. Something’s off with you... you need help or something. I’m calling Sco-“ he momentarily forgets and stops himself before he finishes the name, but Stiles catches it. His sparkling, whiskey eyes falter as his face falls.
“He’s dead, Derek. Dead. Can’t you get that into your thick skull!” He screams at Derek with a broken, hurt voice. He seems upset now, but to Derek, that seems better than the crazed, eerie and ghostly boy who was rambling earlier.

***

After Scott's death, Stiles rambles nonsense on Derek's roof, and Derek is more than mildly concerned.