Duo just grinned and gave a shrug. It wasn't really any of his business after all. It has just surprised him it was a thing people were willing to do. Though it then begged the question, where did all the waste of the train go while they were travelling through the Void? Was the Void now full of their mess? A curious thought.

"Not sure what I could ask for." Duo mused, head tilting in thought. He was a simple guy. He did't have many needs. "It'll be interesting to see."