He crosses his arms and puffs himself up in an attempt to look bigger than he is. For a stranger, she's certainly asking for a whole mess of trust she hasn't even begun to earn.

"That unfortunately means you start at a disadvantage. You've gotten yourself involved with a person under my protection. That means that I'm going to keep watching you. I'll know what you have for breakfast in the morning and how long you gargle your mouthwash at night. If you slip up, you'll be dealt with. Do we have an understanding?"

At least he's thoughtful enough to give her the short speech.