Sort of sounded like Sayid was baiting Charlie to see what he'd say to incriminate himself as traitor/Other. Considering Sayid's experience in gathering intelligence, if Charlie doesn't "bite" on one of Sayid's sympathetic conversational comments, we might see another torture session.

__________________
Things fall apart, the center cannot hold;
Mere anarchy is loosed upon the world,
The blood-dimmed tide is loosed, and everywhere
The ceremony of innocence is drowned;

--Lines 2-6, "The Second Coming" by Wm. Butler Yeats