Hallo! It certainly sounds like I shan't be stuck for tutors in the art of tea-making! I'm not entirely certain what variations there might be on tea, other than the usual milk and sugar concerns, but it all sounds interesting. Never let it be said that Bertram Wooster has shied away from novel culinary experiences. If culinary is the word when it comes to tea, that is.
YouTube is terrifically entertaining! It would have gone down so very well at my club! And there's some terrific music on it too! This chap, for instance, has some dashed clever stuff in there, though of course it's not exactly the sort of thing I'm used to, and some of the language is fairly fruity and from what I can understand, probably not the thing for polite company.