For him, racing motorcycles is a great 'antidote' to boredom.
There is no 'antidote' to/for this poison.
(..) You have no choice. You must not fail. I highly recommend, reacquaint yourself with the chapter on antidotes. Now, I'll tell you more about bezoars in our next class. Right, off you go. Elise, don't forget your rat tail. Aha! It isn't (..)2009 Harry Potter and the Half-Blood Prince