That's you, Mycroft, I have no interest in navigating any student politics, why would I care? They're all just as dull as the coursework, I plan to never see them again once I leave, and I have better things to do with my time than engage in meaningless socialisation.

[His problem is that he doesn't know what he wants to do. Mycroft knew, he had his sights set on the government for years before he even left school, but Sherlock doesn't know. The only thing he likes is solving murders on the news, but he'd make a terrible police officer because he'd never follow orders.]

As to where I got them; where do you think? From a dealer, of course, they're hardly hard to find on a university campus.