Well, that's a question with an easy enough answer. Consolidating that answer into something succinct, however, is another matter.

Also it's hard to be eloquent at this stage of crying, when you've not quite stopped, because you risk unbottling yourself and going right back into sobs. Especially if you say the wrong thing.

Nevertheless, Jack manages:

"Now you know I'm -- nothing." Any number of the phrases that've been flung at him come to mind. "A... h-half-baked science experiment."

He's staring really, really hard at the floor. And his voice is harsh.