Alfredo nodded quickly - but clamped down on the instinct to go run after them and double-check.

It was important to really be with the people you were with. And, at the thanks, he still managed to smile and mean it.

"There were enough of us that we could make a difference, in all the places we were needed," he observed.

"I just hope no one's sneaking one on the train - the animals here have been disturbed enough, I should think."