The amusement quickly fades from her expression as his attention is drawn to her rather obvious condition. Of course it is, it's not as if she can do much to control it these days. Ava bites back the knee-jerk offense she might take, mostly looks uncomfortable as she goes from smoothing down Number 6's wings to adjusting her stance to hide more behind them. Not that it's necessary, she's capable of going completely unseen if she'd prefer.

"Yes..." she confirms, visibly debating how much information she's comfortable giving a stranger. She understands he isn't trying to be rude, but it's a rather heavy subject. "I was in an accident. And now I'm molecularly unstable." It's also hard knowing what level of explanation to give, depending on familiarity with quantum physics...