It would be lonely to die that way. What would you leave behind, diamonds won't remember you or carry on what you've taught them. They won't hold your hand when you're on death's door. They won't save you if it's not your time.

[This guy may not be bad, he may not be good. What Yamamoto thinks is he is lonely, has not had good people in his life. So while he will be cautious the hitman is going to try and befriend him.]

You don't know me well enough yet to say that, I may be smarter than you think.

[Just naive.]