"How did I wander?
Perhaps the well is there, perhaps not.

I don't know.

I have wandered." SUPPOSED ANSWER.

"Something about thanks; he says he is pleased, and mentions water again." The guide's vacant stare while trying to remember is thought to indicate mental imbecility, and the repeated thanks were supposed to indicate a wish to deprecate their wrath.
"Well, Livingstone HAS played us a pretty trick, giving us in charge of an idiot.

Catch us trusting him again.