Reasons for both: Sebastian is a butler and as I feel is very proper when it comes to grammar and 1) Hyacinthia was supposed to originally been a butler before the doctor thing became the main focus 2) He is like a k1ller butler and I mean ;p Habit is really silly,funny and has less grammar etiquette so I inspired Hyacinthia on meds off him and his terrible grammar thats also where the :} custom smiley came from