Ah, but then... whilst it is ill-adviced to count one's chickens before they are hatched, I would assume it will prove no trouble to teach me how to master the trick.
[Because if someone as stupid as Lucifer, who Sebastian suspects lacks even a concept of what a brain-to-mouth filter is, can use mental wards, Sebastian definitely should be able to learn. Duh.]
Thus, you will have one less person's thoughts bothering you.