[That whole touching thing, he'll do it again. Not a hug, but both hands on the hobbit's shoulders will do. Thorin gives a light squeeze as well, to be reassuring.]

I shall no longer doubt you, but I am still sorry for what grief I caused you before. [Thorin's not dull, he knows he's extremely gruff, blunt and can be very unpleasant when he wants. Especially to those he's formed an opinion of. Like elves.]

You are my friend, Bilbo Baggins, and I owe you much. The company owes you. Our quest would be very bleak at this moment if you had not come back to us.