He looked at his mother, a little surprised at her question. His eyes dropped down to where his own self was growing, and blinked.
"He'd do anything for you, and whatever it took to protect us, and that's why he used to spend so much time in the labs. Or at least that's what I figured it was. Between him, and Dr Banner, and Izzy, and ... all the other science dudes, they would come up with stuff and he would test and develop and work on it and..." He paused and shrugged a shoulder, eyes wandering back to his mother's face. "... there wasn't much to be reckless about I guess."