"I hope you wont mind hitching a ride with me, I want to make sure I can still do it in one piece and if you're with me I'd feel safer doing it." That was only a half truth. She wanted to save his ego as much as she could. What would it hurt to have him play the hero for just a little bit longer? And she was a little afraid of using so much energy at once, so soon. But he was like her, being spectral made it easier. Much easier than transporting living breathing flesh.