Regardless of Genis' protective barrier, especially because of Genis' protective barrier, Jen kept her own force field in place. It clung to her body like a flicker of fire. Thank God, Hal had taken her to space, or else Jen might not know what to do right now.
"Yes!" She shouted back at him. "I am!" Jen was holding back because she had no reason to fight Genis - she didn't know him and Jen was too smart to go into any encounter guns ablazing, without asking questions. That was the other Green Lantern, that was Guy Gardner.
"I don't know what you want, or why you're doing this, but let me go!" She said, leaving his inquiry about the Starheart unsanswered. Instead, she turned it around on him. "Is that what you're after? the Starheart? You can't have it."