"I'm human, here," she said, lifting her shoulders. She realized she'd nearly forgotten her coffee, and took a sip of it to pause and gather her thinking. "What I've observed is that we're all human here. The Doctor has only one heart, and he is so... Human." There really was no other word for it.
"I think that we're becoming what we were in the dreams. As we dream more, I feel more Time Lord." Meaning, she could reason better. And shut off her emotions much more easily. She assumed her TARDIS powers would start appearing as well. She was afraid what that would mean for her.