It does feel pretty goddamn amazing, and Derek shifts so he's braced on his forearm, leaving a hand free to grip Stiles's thigh and slot their hips together more effectively. He gasps, because holy shit, he forgot how much of a difference it makes to have denim not in the way of things, how much closer Stiles feels like this.
"Stay with me," he pants, dropping his head to kiss and suck at the juncture of his shoulder. "Don't lose it just yet."