“I don’t feel it anymore,” sighed a friend of mine, K, when I asked why he’s not heading down for Sasha at Zouk on New Year ’s Day. Now, this is a common vindication for retiring party-goers worldwide, not including North Korea, Libya and Burma (where you’ll be frowned upon, shot, buried alive or all of the above if you even shook an inch of your repressed bootie to electronic dance music). But what exactly is this feeling that my friend had lost? What deafening infection destroyed the aural stimulus of his mind?