As long as you don't paint the walls in the flat salmon or something rather horrid like that.

[James couldn't help but find the other interesting especially after he gave his name away.]

Sherlock? Well, when you make promises like that I can't very well tell you no. I'm an insomniac, often I get lost in my work until the early hours of the morning, if that wouldn't bother you, you are welcome to the other room.

[His next words are spoken in a playful tone:]

If you're any sort of murderer I'd like you to remember I'm doing you a favour so do me one and don't murder me in my sleep.

I can send you directions if you'd like.