Tony grinned. "And Earth's not as advanced as this ship. Or at least, mine isn't. Wasn't. Whatever."

A shrug, and he was working his toes deeper into the warm sand, part of his brain still unable to shut off and accept rather than try to work out how it was he could feel each grain against his skin.

"Circuit boards weren't what Dad's business was all about. Stark Industries was a weapons developing company. And I was damned good at it. Too good."