[It means exactly what you think it means. The reason why Drizzt stayed in his cave even after he befriended Bruenor and the rest of the dwarves started trusting him enough. The same reason he does not seek out even the people he has begun to consider friends here. Why do you think Wulfgar never knew of him until Bruenor brought the lad to be trained?]
no subject
But you hardly know me.
[He really can't process it.]