[she has to cling to hope. hope that she didn't die, hope that her absence has been noted (but surely Jo would say something. she was there and gone in the blink of an eye), hope that 30th century technology would be capable of bridging the gap between dimensions and worlds]

I'm not. I plan to volunteer to do what I can to study the Door. But I also plan to trust my friends and their efforts on the other side of it.

[the laughter surprises her for a moment, but she doesn't let it show on her face]

Then I'll do my part to bring you more of it.