It is likely best not to think about it too much. The answer might be one we would not care for. [Like carefully-disguised torture equipment.]

It is perfectly understandable- those with others from their worlds do tend to have a lot to handle. However, the only person here from my world is more than capable of taking care of himself... and isn't likely to ask for help even if he could not. I assure you, I have more than enough free time for an extra project or two.

[She doesn't mind much, you'll find.]