[Gilbert was unfazed when the other backed away. He expected the other boy to react in such a way.]

Ah, sorry forgot. My bad.
[Gilbert said this nonchalantly. He back up from the other boy to avoid potentially having a fist in his gut and stuffed his hands in his pockets, all the while slouching his posture.]

Still, I'm here arn't I? I can help and stuff! Oooh man, all the food yum.