I know how to control the physical chemical balance of my mind.

[He scoffs, words too fast and too terse. This isn't John's fault, he's even said something complimentary (and accurate) to try and soothe him. It doesn't make a difference, he's scared and John is the only one there to bear the brunt of it.]

I've been using recreational drugs to enhance my thinking process for years, I'm well aware of exactly how to control the chemical balances of my mind. I can control my whole body, I know my body, I know when anything is out of place.

[User, not an addict, thank you.]

You managed to resist, you managed to have yourself restrained, you!

[Urgh, he sounds so disgusted, how could John have done what he couldn't?!]