[voice]
[rushing] It's okay! Lots of people have it when they first come. My last roommates, Ushiro-kun and Nakama-san, they had chains on when they first came, and they were really good people!
[a little more gently] Sometimes we don't see any other way. I know you wouldn't hurt anyone. [she's known you a whole two minutes, so she can say this with certainty!]