Ted's eyes went wide at the rant about dimensional shifting. He wasn't all that up on science things of that sort. He hadn't experienced it, either. Except if this whole City thing was a part of that. Then he had some experience. Some.
And he had experienced the 70's.
"I..." Ted thought of how to answer the question. What did he do for fun? "I have a cat?"
In his other life, before The City, he'd done things for Charlie, and that had been fun. Sometimes not fun. Sometimes slightly scary. But there had been fun. And there had been Olivia.