[ If Sam knew how Spike really felt about the Slayer, that he'd taken her side once before and probably would again — countless times in a future he wouldn't get to experience — then maybe he wouldn't be so worried. If he knew that Spike had claimed Buffy as is own just to keep Eric away from the sassy blond and her delectable blood, then maybe he'd realize that this is smoke and cockmeasuring and not much more.
Of course, Sam knows neither of these things because Spike isn't one to spill beans if he can help it. Too keen on keeping up appearances. Too much image still. ]
'Course you don't. [ He scoffs, rolls his eyes but ultimately backs off. ]