If Tame Impala's Innerspeaker CD weren't over $25 (because it's an import) I would buy it right away. If the sound of this song doesn't convince you then the lyrics will. This is an ode to the loners. This song reminds the listener that loneliness is happiness for some. The speaker in the song clarifies that he has nothing against company, however, he prefers loneliness.
"There's a party in my head and no one is invited."