Is it that hard for you to keep your hands to yourself?

[He doesn't sound disparaging. More amused, than anything else. But this will be a problem if the man decides to rob him...]

I don't have much of value, and the one thing I do is something I'll guard with my life. It'll probably be more trouble to you than anything else. So be a good boy and leave it alone, won't you? It'd be a pity to ruin our good relationship, after all!