I neither like nor dislike Severus said LupinWe shall never be bosom friends perhaps after all that has happened between James and Sirius and Severus there is too much bitterness there But I do not forgetSeverus made the wolfsbane potion for me made it perfectly HBP p uk ch A very frosty Christmas Harry talking to Lupin  Have you ever heard of the HalfBlood PrinceIve got his old potions book He wrote spells all over it spells he invented One of them was levicorpus Oh that one had a great vogue during my time at Hogwarts said Lupin reminiscently There were a few months in my fifth year when you couldnt move for being hoisted into the air  My dad used it said HarryLupins smile was a little too understanding Yes he said but he wasnt the only oneJames was a pureblood Harry and i promise you he never asked us to call him Prince  And it wasnt Sirius or you Definitely not How old is this book Harry perhaps that will give you some clue when the prince was at Hogwarts HBP p uk ch A very frosty Christmas Harry talking to Lupin