[Well, they'll be happy to know he had no plans to remove it!! Especially not with the detour their conversation's taking.]

Mm. [He nods.] 'S about how healthy you are on the inside of your skull.
Don't get me wrong, the outside's important, too - but even the nicest car can't drive if its got a busted engine.

[And then he pauses, just for a moment.]

... Can't say my own "engine" runs all that well, me - but y'know you can talk to me 'bout anything if ya need to, ouais?
Anytime you got somethin' on your mind.