That's a complicated question. He's not the sort to hide things, and it's nothing he's ashamed of or has any desire to hide anyway, it's just weird. And a little insane-sounding.

"I'm an engineer. Geochemical engineer, to be exact. Used to manage a petrochemical plant." Wallie would shrug, but he is carrying a heavy load. "These days I'm a swordsman. It was an unexpected career change, but there you go."