Hughes, calm yourself. She didn't ask if she could go back to your world. She asked if she could visit other worlds. As in, "other worlds" in general.

Hughes...? Oh, for the love of--

"I think so long as you have someone who can guide you, and make sure you don't stick out too much, there shouldn't be anything wrong with visiting other worlds. I've heard of others doing it." He smiles down at her, a glimmer of excitement in his eyes. "If you trust the person whose world you want to visit, then I say go for it. There are people out there would be happy to offer a place to crash and a place to feel welcomed until you can get home. Myself included." Not to mention Elysia would be thrilled to have an "adopted sister" for a little while.