“Do you think Ethan likes engineering?” Lucas asked.

The question hung in the quiet air between the narrow shelves of local travel guides and natural history books.

“He studied defense supply logistics in the army,” I said, choosing my words carefully.

“Now he manages expensive defense equipment contracts.”

“So he understands structural integrity,” Lucas said, tracing the silver letters on the spine.

“He understands how complex systems fit together,” I said.

Lucas looked down at the dark blue cloth cover in his hands.