He could just, not answer. Give the other man the silent treatment until he got board and left.

Trying to be peaceable.

"Not everyone is in a place where they want to be seen, Malcolm. Even if it's to correct false assumptions. You can't help being how you are, I understand that better now but I still need you to back off when I ask, okay? You've already seen too much today."

The last sentence was softly spoken, almost as if Tim might not have meant to say it aloud.