'Somehow [after] the killing of this giant spider . . . (BIBLO) felt a different person, and much fiercer and bolder iin spite of an empty stomach, as he wiped his sword on the grass and put it back into its sheath."
Answers 2Add Yours
I believe you just answered your own question.....
This is a little foreshadowing here but it certainly tells us that Bilbo will be a dynamic character for the better. Gandalf is always right!
"Let's have no more argument. I have chosen Mr. Baggins and that ought to be enough for all of you. If I say he is a Burglar, a Burglar he is, or will be when the time comes. There is a lot more in him than you guess, and a deal more than he has any idea of himself. You may (possibly) all live to thank me yet..."