Is it overreacting a bit, to empty out an entire shelf of meal replacement bars and drag them home in overflowing plastic bags, when there's an entire empty city out there just full of food, shelter, and amenities free for the taking?

No, Heero doesn't think so.

There's no telling when that situation could change on them. It would be more foolish to rely on being handed things he didn't somehow fight for.

"You only got candy," he points out. That's dietary variety.

Heero isn't even looking at the labels as he shoves entire display boxes into the bag.