She'd checked his face and seen only serious interest there: not a joke. And in the end, she'd copied her files and turned the mumu back to the Tech Department. In the end, she'd whittled things she brought to only the necessary.

Father said that pilots used the Three Pile Rule for deciding what to take with them. The first pile consisted of the things she really needed: ID, money, "your license, eventually, and a keep-safe, if you wish." Those things ought to fit into her jacket, vest or travel kit and always be to hand.

Things that she'd need later went into the second pile, and were packed in luggage.

Those things that she might need, except for extra air or water, went into the third pile—which was left behind.

Theo shifted from one foot to the other. She was getting tired of waiting in all the din and confusion, and was beginning to think longingly of her nice, quiet bunk, soon to be achieved—There!

Yet another sled came into the hall, her bag with its tag clearly visible perched on top of the pile. The gate snapped closed smartly behind it; a student work gang including—to her surprise and regret—the three troublemakers from Vestrin, ran for the cart to toss the last items off.

Ah, she thought, that explains it! The three knew exactly where their luggage was, and hauled it free with a fine disregard for physics. The surrounding bags shifted and tumbled. Her bag slid from its high perch, caught, and fell. Theo jumped forward—

Just before her bag hit the floor, one of the crew caught it, neatly and without flourish, looked down, blinked, and turned to display it to his friends. Maybe he was checking the tags, though she didn't know why they should care.