"If we count activity, it's been about that long for me too, I just didn't get to apply to UA until after I turned fourteen." Meaning that he's only sixteen now.

The spider bite gets an 'eugh' sort of look. "That sounds extremely unpleasant. At least I had the luxury of getting accustomed to this shape automatically. Figuring out how to change its shape was a little harder though." He lifts one of the spare hands, closes it into a fist, then morphs it into an eye with the same colored iris as the ones in his head.