Kylo might not have noticed, if it wasn't for the unfamiliar, powerful and infectious swell of Murphy's pleasure accompanying Ronan's absence. He might have slept straight through it. But he didn't.
He's been lying in the dark, wrestling with a host of ugly emotions that only seem to grow in intensity the longer he struggles with them— and now, suddenly, Ronan is here. Warm with pleasure Kylo didn't give him.

His chest, his throat, his fingers— they all tighten with a sudden, spiking surge of heated jealousy— and in the space before thought, he's in motion. He rolls over, striking with unnatural speed as he pins Ronan beneath him, both hands and all his weight crushing his shoulders into the mattress.