It sais in the Thumbnail that noone of his colleagues realized his kokain addiction.
He wonders why, too, that German Sherlock, I guess. He was hiding it so well, the koke head might wonder, which proofes three things:
1.Kokain turns self focused
2.Kokain turns you stupid
3.Kokain turns everyone into an egocentric stupid.
#TheGermans or Funny only, if it does not happen to you.