It means if my presence is not welcome, I can easily remove it.
“Get it straight, Buster. I'm not here to say "please". I'm here to tell you what to do. And if self-preservation is an instinct you possess, you better fucking do it and do it quick. I'm here to help. If my help's not appreciated, lots of luck, gentlemen.” —Winston “The Wolf” Wolfe, Pulp Fiction
“Mea mihi conscientia pluris est quam omnium sermo.” —Cicero
So speaks Inquisitor Revenant! Hear Him, and Tremble! —Father Thompson