"You are such a pain in the ass sometimes, has anybody ever told you that?" Kurt exclaims. No, of course the great Sebastian does not wait for anybody, but Kurt has been doubting his and Blaine's 'relationship' ever since he found out they were speaking in high school. And he is not the boss of Blaine, nor is Blaine the boss of him, but letting Sebastian get on his nerves is really irritating - even more so when the idiot keeps smirking at him.