It's perfectly fine. There's nothing to apologize for.

[She's all kindness in the shape of her words and the sound of her voice as she rises from her stool with the stimgun in hand.]

Now, we'll be putting you through a series of stress tests to determine if there are any particular triggers for activating the shift in your awareness. From there we'll see if we can find a way to effectively reverse the process, but it's possible this will be a data collection test only. We'll be taking periodic images of your brain over the course of this test.

[It's light, conversational. She sets the rubber cap of the stimgun to base of Aoba's skull and pulls the small trigger mechanism with a plastic click. The needle prick is minor, lasts a moment and then she draws it back. Easy enough.]

You're welcome to pause the test at any time. Simply lift your right arm and make a fist. We'll hold until you're ready to continue.