She keeps her expression nonchalant, her own posture reading as relaxed and comfortable. Luke is so clearly on edge, she doesn't want to further agitate him.

Andrea speaks in a reasonable, affable tone of voice when she replies. "This is all a test, Luke. That's why you're here. As for me?" Here she gestures toward her chest, an unaffected motion. She shakes her head. "How do you feel about me being here?"

She watches his face and upper body, keeping track of his tension levels. "If you'd like, I can ask one of the K-science guys to come sit in with you."

You can deal with the stress, Luke. Communicate why it's a problem, or when you have a concern.