Zack smiles a little at his comment, nodding, "Yeah...I used to do that too. Mentoring was pretty fun." He missed it, honestly, but it wasn't like he could waltz back and take over training again. Not that he'd want to. All the young hopefuls, dragged down to the science department after him...it made running like this seem like he was abandoning them, but he had made the decision just the same as they had.

Maybe it would be different for them. And yet...it probably wouldn't. There came the guilt again.

"You have a favorite subject?"