Sollux was in his hive, seated at his desk, typing at his computer while concentrating intently at what he was doing; it appeared he was a little preoccupied coding at his computer. He paused what he was doing to look at you when he noticed you at the door... he seemed surprised.

"Hey, what do you need? You could've knocked," — Sollux grumbled, moving his chair away from his desk so he could turn to face you. His surprise had faded into frustration.